diff --git a/src/common/scripting/core/types.cpp b/src/common/scripting/core/types.cpp
index 9f777da38..6543dde9e 100644
--- a/src/common/scripting/core/types.cpp
+++ b/src/common/scripting/core/types.cpp
@@ -2957,7 +2957,7 @@ bool PStruct::ReadValue(FSerializer &ar, const char *key, void *addr) const
 PField *PStruct::AddField(FName name, PType *type, uint32_t flags)
 {
 	assert(type->Size > 0);
-	return Symbols.AddField(name, type, flags, Size, &Align);
+	return Symbols.AddField(name, type, flags, Size, &Align, mDefFileNo);
 }
 
 //==========================================================================