diff --git a/convert/convert_test.go b/convert/convert_test.go
index 60e22ed36..d31ca3e55 100644
--- a/convert/convert_test.go
+++ b/convert/convert_test.go
@@ -137,7 +137,7 @@ func TestConvertModel(t *testing.T) {
 				if err != nil {
 					t.Fatal(err)
 				}
-				if err := os.WriteFile(outFile, data, 0644); err != nil {
+				if err := os.WriteFile(outFile, data, 0o644); err != nil {
 					t.Fatal(err)
 				}
 				t.Logf("Generated expected results for %s", tt)