diff --git a/debugger/gdbmidebugger.pp b/debugger/gdbmidebugger.pp
index 048b3af132..dde2df04e9 100644
--- a/debugger/gdbmidebugger.pp
+++ b/debugger/gdbmidebugger.pp
@@ -3428,7 +3428,7 @@ begin
     Val(AFrameInfo.Values['addr'], addr, e);
     if e=0 then ;
     func := AFrameInfo.Values['func'];
-    filename := AFrameInfo.Values['file'];
+    filename := ConvertPathDelims(AFrameInfo.Values['file']);
     line := AFrameInfo.Values['line'];
   end;