diff --git a/src/Mod/Part/App/PartFeature.cpp b/src/Mod/Part/App/PartFeature.cpp
index 13810ca0e0..162a3e02a7 100644
--- a/src/Mod/Part/App/PartFeature.cpp
+++ b/src/Mod/Part/App/PartFeature.cpp
@@ -582,6 +582,8 @@ static std::vector<std::pair<long, Data::MappedName>> getElementSource(
             }
             break;
         }
+        // "Compact" makes an owned copy to ensure we don't have a dangling point later on
+        original.compact();
         ret.emplace_back(tag, original);
     }
     return ret;