diff --git a/src/Mod/Sketcher/App/AppSketcherPy.cpp b/src/Mod/Sketcher/App/AppSketcherPy.cpp
index 00a6d937cb..590cc013be 100644
--- a/src/Mod/Sketcher/App/AppSketcherPy.cpp
+++ b/src/Mod/Sketcher/App/AppSketcherPy.cpp
@@ -95,8 +95,8 @@ private:
             }
 
             if (file.hasExtension("skf")) {
-                auto filename = file.fileNamePure().c_str();
-                auto* pcFeature = pcDoc->addObject<Sketcher::SketchObjectSF>(filename);
+                auto filename = file.fileNamePure();
+                auto* pcFeature = pcDoc->addObject<Sketcher::SketchObjectSF>(filename.c_str());
                 pcFeature->SketchFlatFile.setValue(EncodedName.c_str());
 
                 pcDoc->recompute();