diff --git a/src/preferences/options_imp.cpp b/src/preferences/options_imp.cpp
index 9a70eba95..cfad30d82 100755
--- a/src/preferences/options_imp.cpp
+++ b/src/preferences/options_imp.cpp
@@ -376,17 +376,9 @@ void options_imp::saveOptions() {
   // End General preferences
 
   // Downloads preferences
-  QString save_path = getSavePath();
-#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-  save_path.replace("\\", "/");
-#endif
-  pref.setSavePath(save_path);
+  pref.setSavePath(getSavePath());
   pref.setTempPathEnabled(isTempPathEnabled());
-  QString temp_path = getTempPath();
-#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-  temp_path.replace("\\", "/");
-#endif
-  pref.setTempPath(temp_path);
+  pref.setTempPath(getTempPath());
   pref.setAppendTorrentLabel(checkAppendLabel->isChecked());
   pref.useIncompleteFilesExtension(checkAppendqB->isChecked());
   pref.preAllocateAllFiles(preAllocateAllFiles());
@@ -395,14 +387,8 @@ void options_imp::saveOptions() {
   pref.addTorrentsInPause(addTorrentsInPause());
   ScanFoldersModel::instance()->makePersistent();
   addedScanDirs.clear();
-  QString export_dir = getTorrentExportDir();
-  QString export_dir_fin = getFinishedTorrentExportDir();
-#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-  export_dir_fin.replace("\\", "/");
-  export_dir.replace("\\", "/");
-#endif
-  pref.setTorrentExportDir(export_dir);
-  pref.setFinishedTorrentExportDir(export_dir_fin);
+  pref.setTorrentExportDir(getTorrentExportDir());
+  pref.setFinishedTorrentExportDir(getFinishedTorrentExportDir());
   pref.setMailNotificationEnabled(groupMailNotification->isChecked());
   pref.setMailNotificationEmail(dest_email_txt->text());
   pref.setMailNotificationSMTP(smtp_server_txt->text());
@@ -457,13 +443,8 @@ void options_imp::saveOptions() {
   // Misc preferences
   // * IPFilter
   pref.setFilteringEnabled(isFilteringEnabled());
-  if (isFilteringEnabled()) {
-    QString filter_path = textFilterPath->text();
-#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    filter_path.replace("\\", "/");
-#endif
-    pref.setFilter(filter_path);
-  }
+  if (isFilteringEnabled())
+    pref.setFilter(textFilterPath->text());
   // End IPFilter preferences
   // Queueing system
   pref.setQueueingSystemEnabled(isQueueingSystemEnabled());
@@ -551,22 +532,14 @@ void options_imp::loadOptions() {
 #endif
   // End General preferences
   // Downloads preferences
-  QString save_path = pref.getSavePath();
-#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-  save_path.replace("/", "\\");
-#endif
-  textSavePath->setText(save_path);
+  textSavePath->setText(fsutils::toNativePath(pref.getSavePath()));
   if (pref.isTempPathEnabled()) {
     // enable
     checkTempFolder->setChecked(true);
   } else {
     checkTempFolder->setChecked(false);
   }
-  QString temp_path = pref.getTempPath();
-#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-  temp_path.replace("/", "\\");
-#endif
-  textTempPath->setText(temp_path);
+  textTempPath->setText(fsutils::toNativePath(pref.getTempPath()));
   checkAppendLabel->setChecked(pref.appendTorrentLabel());
   checkAppendqB->setChecked(pref.useIncompleteFilesExtension());
   checkPreallocateAll->setChecked(pref.preAllocateAllFiles());
@@ -574,29 +547,22 @@ void options_imp::loadOptions() {
   checkAdditionDialogFront->setChecked(pref.AdditionDialogFront());
   checkStartPaused->setChecked(pref.addTorrentsInPause());
 
-  strValue = pref.getTorrentExportDir();
+  strValue = fsutils::toNativePath(pref.getTorrentExportDir());
   if (strValue.isEmpty()) {
     // Disable
     checkExportDir->setChecked(false);
   } else {
     // enable
-    checkExportDir->setChecked(true);
-#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    strValue.replace("/", "\\");
-#endif
     textExportDir->setText(strValue);
   }
 
-  strValue = pref.getFinishedTorrentExportDir();
+  strValue = fsutils::toNativePath(pref.getFinishedTorrentExportDir());
   if (strValue.isEmpty()) {
     // Disable
     checkExportDirFin->setChecked(false);
   } else {
     // enable
     checkExportDirFin->setChecked(true);
-#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    strValue.replace("/", "\\");
-#endif
     textExportDirFin->setText(strValue);
   }
   groupMailNotification->setChecked(pref.isMailNotificationEnabled());
@@ -756,7 +722,7 @@ void options_imp::loadOptions() {
   // Misc preferences
   // * IP Filter
   checkIPFilter->setChecked(pref.isFilteringEnabled());
-  textFilterPath->setText(pref.getFilter());
+  textFilterPath->setText(fsutils::toNativePath(pref.getFilter()));
   // End IP Filter
   // Queueing system preferences
   checkEnableQueueing->setChecked(pref.isQueueingSystemEnabled());
@@ -875,16 +841,13 @@ qreal options_imp::getMaxRatio() const {
 QString options_imp::getSavePath() const {
   if (textSavePath->text().trimmed().isEmpty()) {
     QString save_path = Preferences().getSavePath();
-#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    save_path.replace("/", "\\");
-#endif
-    textSavePath->setText(save_path);
+    textSavePath->setText(fsutils::toNativePath(save_path));
   }
-  return fsutils::expandPath(textSavePath->text());
+  return fsutils::expandPathAbs(textSavePath->text());
 }
 
 QString options_imp::getTempPath() const {
-  return fsutils::expandPath(textTempPath->text());
+  return fsutils::expandPathAbs(textTempPath->text());
 }
 
 bool options_imp::isTempPathEnabled() const {
@@ -1068,13 +1031,13 @@ void options_imp::setLocale(const QString &localeStr) {
 
 QString options_imp::getTorrentExportDir() const {
   if (checkExportDir->isChecked())
-    return fsutils::expandPath(textExportDir->text());
+    return fsutils::expandPathAbs(textExportDir->text());
   return QString();
 }
 
 QString options_imp::getFinishedTorrentExportDir() const {
   if (checkExportDirFin->isChecked())
-    return fsutils::expandPath(textExportDirFin->text());
+    return fsutils::expandPathAbs(textExportDirFin->text());
   return QString();
 }
 
@@ -1133,7 +1096,7 @@ void options_imp::handleScanFolderViewSelectionChanged() {
 
 QString options_imp::askForExportDir(const QString& currentExportPath)
 {
-  QDir currentExportDir(fsutils::expandPath(currentExportPath));
+  QDir currentExportDir(fsutils::expandPathAbs(currentExportPath));
   QString dir;
   if (!currentExportPath.isEmpty() && currentExportDir.exists()) {
     dir = QFileDialog::getExistingDirectory(this, tr("Choose export directory"), currentExportDir.absolutePath());
@@ -1156,7 +1119,7 @@ void options_imp::on_browseExportDirFinButton_clicked() {
 }
 
 void options_imp::on_browseFilterButton_clicked() {
-  const QString filter_path = fsutils::expandPath(textFilterPath->text());
+  const QString filter_path = fsutils::expandPathAbs(textFilterPath->text());
   QDir filterDir(filter_path);
   QString ipfilter;
   if (!filter_path.isEmpty() && filterDir.exists()) {
@@ -1164,17 +1127,13 @@ void options_imp::on_browseFilterButton_clicked() {
   } else {
     ipfilter = QFileDialog::getOpenFileName(this, tr("Choose an ip filter file"), QDir::homePath(), tr("Filters")+QString(" (*.dat *.p2p *.p2b)"));
   }
-  if (!ipfilter.isNull()) {
-#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    ipfilter.replace("/", "\\");
-#endif
-    textFilterPath->setText(ipfilter);
-  }
+  if (!ipfilter.isNull())
+    textFilterPath->setText(fsutils::toNativePath(ipfilter));
 }
 
 // Display dialog to choose save dir
 void options_imp::on_browseSaveDirButton_clicked() {
-  const QString save_path = fsutils::expandPath(textSavePath->text());
+  const QString save_path = fsutils::expandPathAbs(textSavePath->text());
   QDir saveDir(save_path);
   QString dir;
   if (!save_path.isEmpty() && saveDir.exists()) {
@@ -1182,16 +1141,12 @@ void options_imp::on_browseSaveDirButton_clicked() {
   } else {
     dir = QFileDialog::getExistingDirectory(this, tr("Choose a save directory"), QDir::homePath());
   }
-  if (!dir.isNull()) {
-#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    dir.replace("/", "\\");
-#endif
-    textSavePath->setText(dir);
-  }
+  if (!dir.isNull())
+    textSavePath->setText(fsutils::toNativePath(dir));
 }
 
 void options_imp::on_browseTempDirButton_clicked() {
-  const QString temp_path = fsutils::expandPath(textTempPath->text());
+  const QString temp_path = fsutils::expandPathAbs(textTempPath->text());
   QDir tempDir(temp_path);
   QString dir;
   if (!temp_path.isEmpty() && tempDir.exists()) {
@@ -1199,17 +1154,13 @@ void options_imp::on_browseTempDirButton_clicked() {
   } else {
     dir = QFileDialog::getExistingDirectory(this, tr("Choose a save directory"), QDir::homePath());
   }
-  if (!dir.isNull()) {
-#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
-    dir.replace("/", "\\");
-#endif
-    textTempPath->setText(dir);
-  }
+  if (!dir.isNull())
+    textTempPath->setText(fsutils::toNativePath(dir));
 }
 
 // Return Filter object to apply to BT session
 QString options_imp::getFilter() const {
-  return textFilterPath->text();
+  return fsutils::fromNativePath(textFilterPath->text());
 }
 
 // Web UI