diff --git a/resource_test.go b/resource_test.go
index a8b2d27..42278bd 100644
--- a/resource_test.go
+++ b/resource_test.go
@@ -32,7 +32,7 @@ func TestRefToStructName(t *testing.T) {
 	}
 
 	for _, c := range cases {
-		t.Logf(c.Prop.refToStructName())
+		t.Logf("%v", c.Prop.refToStructName())
 	}
 }