diff --git a/IDEHelper/Compiler/BfModule.h b/IDEHelper/Compiler/BfModule.h
index 8c762354..7c03a63e 100644
--- a/IDEHelper/Compiler/BfModule.h
+++ b/IDEHelper/Compiler/BfModule.h
@@ -34,7 +34,7 @@ class BfResolvedType;
 class BfExprEvaluator;
 class CeEmitContext;
 class CeDbgState;
-enum BfCeTypeEmitSourceKind;
+enum BfCeTypeEmitSourceKind : int8;
 
 enum BfPopulateType
 {	
diff --git a/IDEHelper/Compiler/CeMachine.h b/IDEHelper/Compiler/CeMachine.h
index 1b276712..90eb8ec3 100644
--- a/IDEHelper/Compiler/CeMachine.h
+++ b/IDEHelper/Compiler/CeMachine.h
@@ -972,7 +972,7 @@ public:
 	}
 };
 
-enum BfCeTypeEmitSourceKind
+enum BfCeTypeEmitSourceKind : int8
 {
 	BfCeTypeEmitSourceKind_Unknown,
 	BfCeTypeEmitSourceKind_Type,