diff --git a/src/gui/macutilities.mm b/src/gui/macutilities.mm
index e9ca0fe5a..823a1daa9 100644
--- a/src/gui/macutilities.mm
+++ b/src/gui/macutilities.mm
@@ -106,7 +106,15 @@ namespace MacUtils
             for (const auto &path : pathList)
                 [pathURLs addObject:[NSURL fileURLWithPath:path.toString().toNSString()]];
 
-            [[NSWorkspace sharedWorkspace] activateFileViewerSelectingURLs:pathURLs];
+            // In some unknown way, the next line affects Qt's main loop causing the crash
+            // in QApplication::exec() on processing next event after this call.
+            // Even crash doesn't happen exactly after this call, it will happen on
+            // application exit. Call stack and disassembly are the same in all cases.
+            // But running it in another thread (aka in background) solves the issue.
+            dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^
+            {
+                [[NSWorkspace sharedWorkspace] activateFileViewerSelectingURLs:pathURLs];
+            });
         }
     }