diff --git a/src/core/chuck_compile.cpp b/src/core/chuck_compile.cpp
index ac9565c6c..434406f15 100644
--- a/src/core/chuck_compile.cpp
+++ b/src/core/chuck_compile.cpp
@@ -1111,12 +1111,10 @@ t_CKBOOL Chuck_Compiler::compile_single( Chuck_CompileTarget * target )
 
     // commit
     if( ret ) // 1.5.4.3 (ge) update to call commit_namespaces | was: env()->global()->commit();
-    { env()->global()->commit(); }
-    // { env()->commit_namespaces(); }
+    { env()->commit_namespaces(); }
     // or rollback
     else // 1.5.4.3 (ge) update to call commit_namespaces | was: env()->global()->rollback();
-    { env()->global()->rollback(); }
-    // { env()->rollback_namespaces(); }
+    { env()->rollback_namespaces(); }
 
     // unload the context from the type-checker
     if( !type_engine_unload_context( env() ) )
diff --git a/src/core/chuck_scan.cpp b/src/core/chuck_scan.cpp
index 3e19b54a6..6243ae9e5 100644
--- a/src/core/chuck_scan.cpp
+++ b/src/core/chuck_scan.cpp
@@ -365,7 +365,8 @@ t_CKBOOL type_engine_scan0_class_def( Chuck_Env * env, a_Class_Def class_def )
 
         // allocate value
         type = env->ckt_class->copy( env, env->context );
-        type->actual_type = the_class;
+        // 1.5.4.3 (ge) add reference count to actual_type | was: type->actual_type = the_class;
+        CK_SAFE_REF_ASSIGN(type->actual_type, the_class);
         value = env->context->new_Chuck_Value( type, the_class->base_name );
         value->owner = env->curr; CK_SAFE_ADD_REF(value->owner);
         value->is_const = TRUE;
diff --git a/src/core/chuck_type.cpp b/src/core/chuck_type.cpp
index 1a6a4f513..fca1b9b3a 100644
--- a/src/core/chuck_type.cpp
+++ b/src/core/chuck_type.cpp
@@ -904,12 +904,10 @@ t_CKBOOL type_engine_check_prog( Chuck_Env * env, a_Program prog,
 
     // commit
     if( ret ) // 1.5.4.3 (ge) update to env->commit_namespaces() | was: env->global()->commit();
-    { env->global()->commit(); }
-    // { env->commit_namespaces(); }
+    { env->commit_namespaces(); }
     // or rollback
     else // 1.5.4.3 (ge) update to env->commit_namespaces() | was: env->global()->rollback();
-    { env->global()->rollback(); }
-    // { env->rollback_namespaces(); }
+    { env->rollback_namespaces(); }
 
     // unload the context from the type-checker
     if( !type_engine_unload_context( env ) )
@@ -9936,7 +9934,8 @@ void Chuck_Type::reset()
         // TODO: verify this is valid for final shutdown sequence, including Chuck_Env::cleanup()
         CK_SAFE_RELEASE( ugen_info ); // 1.5.4.3 (ge) added #2024-func-call-update
         CK_SAFE_RELEASE( func_bridge ); // 1.5.4.3 (ge) added #2024-func-call-update
-        CK_SAFE_RELEASE( array_type ); // 1.5.4.3 (ge) added #2024-func-call-update
+        // FYI actual_type is UNION with array_type
+        CK_SAFE_RELEASE( actual_type ); // 1.5.4.3 (ge) added #2024-func-call-update
         CK_SAFE_RELEASE( parent_type ); // 1.5.4.3 (ge) added #2024-func-call-update
     }
 }