diff --git a/eeschema/symbol_library_manager.cpp b/eeschema/symbol_library_manager.cpp
index 5d409110c3..e8fbea1dd9 100644
--- a/eeschema/symbol_library_manager.cpp
+++ b/eeschema/symbol_library_manager.cpp
@@ -528,7 +528,8 @@ LIB_ID SYMBOL_LIBRARY_MANAGER::RevertSymbol( const wxString& aAlias, const wxStr
     }
     else
     {
-        symbolBuf->SetSymbol( new LIB_SYMBOL( original ) );
+        // copy the initial data to the current symbol to restore
+        *symbolBuf->GetSymbol() = original;
         OnDataChanged();
     }