diff --git a/src/Mod/PartDesign/App/FeatureFillet.cpp b/src/Mod/PartDesign/App/FeatureFillet.cpp
index c6a78cffb..f1525190f 100644
--- a/src/Mod/PartDesign/App/FeatureFillet.cpp
+++ b/src/Mod/PartDesign/App/FeatureFillet.cpp
@@ -82,6 +82,7 @@ App::DocumentObjectExecReturn *Fillet::execute(void)
             mkFillet.Add(radius, radius, edge);
         }
 
+        mkFillet.Build();
         if (!mkFillet.IsDone())
             return new App::DocumentObjectExecReturn("Failed to create fillet");