diff --git a/src/Gui/StartupProcess.cpp b/src/Gui/StartupProcess.cpp
index 8ff699640b..356d4dd04a 100644
--- a/src/Gui/StartupProcess.cpp
+++ b/src/Gui/StartupProcess.cpp
@@ -178,6 +178,9 @@ void StartupProcess::setThemePaths()
         QIcon::setThemeSearchPaths(searchPaths);
     }
 
+    // KDE file dialog needs icons from the desktop theme
+    QIcon::setFallbackThemeName(QIcon::themeName());
+
     std::string name = hTheme->GetASCII("Name");
     if (name.empty()) {
         QIcon::setThemeName(QLatin1String("FreeCAD-default"));