diff --git a/IDE/Tests/CompileFail001/src/Declarations.bf b/IDE/Tests/CompileFail001/src/Declarations.bf
index fa5256c0..13edb92d 100644
--- a/IDE/Tests/CompileFail001/src/Declarations.bf
+++ b/IDE/Tests/CompileFail001/src/Declarations.bf
@@ -1,3 +1,4 @@
+using System;
 namespace IDETest
 {
 	class Declarations
@@ -55,5 +56,25 @@ namespace IDETest
 				mSA.mB = 234;
 			}
 		}
+
+		[AttributeUsage(.All)]
+		struct AttribAAttribute : Attribute
+		{
+			AttribAAttribute mVal; //FAIL
+		}
+
+		[AttributeUsage(.All)]
+		struct AttribBAttribute : Attribute
+		{
+			[AttribB] //FAIL
+			int mVal; //FAIL
+		}
+
+		[AttributeUsage(.All)]
+		struct AttribCAttribute : Attribute
+		{
+			[AttribC] //FAIL
+			int Val => 123; //FAIL
+		}
 	}
 }
diff --git a/IDEHelper/Compiler/BfModuleTypeUtils.cpp b/IDEHelper/Compiler/BfModuleTypeUtils.cpp
index 21d7a2a7..77ba5134 100644
--- a/IDEHelper/Compiler/BfModuleTypeUtils.cpp
+++ b/IDEHelper/Compiler/BfModuleTypeUtils.cpp
@@ -10917,6 +10917,8 @@ BfType* BfModule::ResolveTypeRef(BfTypeReference* typeRef, BfPopulateType popula
 			auto parentTypeInstance = outerTypeInstance;
 			if ((parentTypeInstance != NULL) && (parentTypeInstance->IsTypeAlias()))
 				parentTypeInstance = (BfTypeInstance*)GetOuterType(parentTypeInstance)->ToTypeInstance();
+			if (parentTypeInstance->mDefineState < BfTypeDefineState_Declared)
+				PopulateType(parentTypeInstance, BfPopulateType_Declaration);
 			if ((parentTypeInstance != NULL) && (parentTypeInstance->IsGenericTypeInstance()))
 			{
 				genericTypeInst->mGenericTypeInfo->mMaxGenericDepth = BF_MAX(genericTypeInst->mGenericTypeInfo->mMaxGenericDepth, parentTypeInstance->mGenericTypeInfo->mMaxGenericDepth);