diff --git a/IDEHelper/Compiler/BfModule.cpp b/IDEHelper/Compiler/BfModule.cpp
index 205322b0..2bdf75fd 100644
--- a/IDEHelper/Compiler/BfModule.cpp
+++ b/IDEHelper/Compiler/BfModule.cpp
@@ -20260,6 +20260,8 @@ void BfModule::SetupIRFunction(BfMethodInstance* methodInstance, StringImpl& man
 
 					if (checkMethod == methodDef)
 						continue;
+					if (!checkMethod->mIsExtern)
+						continue;
 					auto checkMethodInstance = mCurTypeInstance->mMethodInstanceGroups[checkMethod->mIdx].mDefault;
 					if (checkMethodInstance == NULL)
 						continue;