diff --git a/src/gui/speedlimitdlg.cpp b/src/gui/speedlimitdlg.cpp
index 58e792dfc..d90cc1534 100644
--- a/src/gui/speedlimitdlg.cpp
+++ b/src/gui/speedlimitdlg.cpp
@@ -103,7 +103,7 @@ void SpeedLimitDialog::setupDialog(long max_slider, long val) const
 {
     if (val < 0)
         val = 0;
-    if (max_slider < 0)
+    if (max_slider <= 0)
         max_slider = 1000;
     // This can happen for example if global rate limit is lower
     // than torrent rate limit.