diff --git a/src/llvm_backend_general.cpp b/src/llvm_backend_general.cpp
index 89ed593a2..246613724 100644
--- a/src/llvm_backend_general.cpp
+++ b/src/llvm_backend_general.cpp
@@ -1586,6 +1586,10 @@ gb_internal LLVMTypeRef lb_type_internal_for_procedures_raw(lbModule *m, Type *t
 		if (params_by_ptr[i]) {
 			// NOTE(bill): The parameter needs to be passed "indirectly", override it
 			ft->args[i].kind = lbArg_Indirect;
+			ft->args[i].attribute = nullptr;
+			ft->args[i].align_attribute = nullptr;
+			ft->args[i].byval_alignment = 0;
+			ft->args[i].is_byval = false;
 		}
 	}