diff --git a/src/compiler/llvm_codegen_debug_info.c b/src/compiler/llvm_codegen_debug_info.c
index be86337a6..76e78a3b4 100644
--- a/src/compiler/llvm_codegen_debug_info.c
+++ b/src/compiler/llvm_codegen_debug_info.c
@@ -324,7 +324,7 @@ static LLVMMetadataRef llvm_debug_pointer_type(GenContext *c, Type *type)
 										  inner,
 										  type_size(type) * 8,
 										  type_abi_alignment(type) * 8, 0,
-										  NULL, 0);
+										  "", 0);
 }
 
 static LLVMMetadataRef llvm_debug_enum_type(GenContext *c, Type *type, LLVMMetadataRef scope)