diff --git a/src/Mod/Part/App/modelRefine.cpp b/src/Mod/Part/App/modelRefine.cpp
index de4100ea4..c1fa0052f 100644
--- a/src/Mod/Part/App/modelRefine.cpp
+++ b/src/Mod/Part/App/modelRefine.cpp
@@ -378,6 +378,8 @@ bool FaceAdjacencySplitter::adjacentTest(const TopoDS_Face &faceOne, const TopoD
                 return true;
         }
     }
+
+    return false;
 }
 
 //////////////////////////////////////////////////////////////////////////////////////////////////////