1 files changed, 1 insertions, 1 deletions

diff --git a/src/stable/sharedcore.h b/src/stable/sharedcore.h
index e79c3d6..84bfdcf 100644
--- a/src/stable/sharedcore.h
+++ b/src/stable/sharedcore.h
@@ -110,7 +110,7 @@ namespace Bu
 
         bool isCoreShared( const Shell &rOther ) const
         {
-            return rOther.core == core;
+            return dynamic_cast<const _SharedType &>(rOther).core == core;
         }
 
     protected: