diff --git a/MVMCoreUI/OtherHandlers/MVMCoreUIMoleculeMappingObject.m b/MVMCoreUI/OtherHandlers/MVMCoreUIMoleculeMappingObject.m
index 93aaf83a..67b9533f 100644
--- a/MVMCoreUI/OtherHandlers/MVMCoreUIMoleculeMappingObject.m
+++ b/MVMCoreUI/OtherHandlers/MVMCoreUIMoleculeMappingObject.m
@@ -30,7 +30,7 @@
                      @"twoButtonView": TwoButtonView.class,
                      @"standardFooter": StandardFooterView.class,
                      @"caretView": CaretView.class,
-                     @"caretButton": CaretButton.class,
+                     @"caretButton": CaretButton.class
                      } mutableCopy];
     });
     return mapping;