diff --git a/gui/cppcheck-gui.rc b/gui/cppcheck-gui.rc
index 6817e6789..00dc8768a 100644
--- a/gui/cppcheck-gui.rc
+++ b/gui/cppcheck-gui.rc
@@ -1,5 +1,5 @@
 // Include command line program's resource file containing version info etc.
-#include "..\cli\cppcheck.rc"
+#include "../cli/cppcheck.rc"
 
 // GUI Icon
 IDI_ICON1               ICON    DISCARDABLE     "cppcheck.ico"