diff --git a/src/codegen.zig b/src/codegen.zig
index b45d355..dba8564 100644
--- a/src/codegen.zig
+++ b/src/codegen.zig
@@ -277,7 +277,7 @@ pub const Codegen = struct {
         var err: ?[*]u8 = null;
         defer llvm.LLVMDisposeMessage(err);
 
-        if (llvm.LLVMPrintModuleToFile(mod, c"testfile", &err) != 0) {
+        if (llvm.LLVMPrintModuleToFile(mod, c"output.ll", &err) != 0) {
             std.debug.warn("error printing module to file: {}\n", sliceify(err));
             return CompileError.LLVMError;
         }