diff --git a/src/Mod/PartDesign/App/FeatureBase.cpp b/src/Mod/PartDesign/App/FeatureBase.cpp
index 03244e87b5..123af4b02e 100644
--- a/src/Mod/PartDesign/App/FeatureBase.cpp
+++ b/src/Mod/PartDesign/App/FeatureBase.cpp
@@ -66,8 +66,8 @@ App::DocumentObjectExecReturn* FeatureBase::execute(void) {
         return new App::DocumentObjectExecReturn("BaseFeature must be a Part::Feature");
     
     auto shape = static_cast<Part::Feature*>(BaseFeature.getValue())->Shape.getValue();
-    if(shape.IsNull())
-        return new App::DocumentObjectExecReturn("BaseFeature has a empty shape");
+    if (shape.IsNull())
+        return new App::DocumentObjectExecReturn("BaseFeature has an empty shape");
     
     Shape.setValue(shape);