diff --git a/tools/cache/mutation_detector.go b/tools/cache/mutation_detector.go
index adb5b8be..f03738a1 100644
--- a/tools/cache/mutation_detector.go
+++ b/tools/cache/mutation_detector.go
@@ -114,7 +114,7 @@ func (d *defaultCacheMutationDetector) CompareObjects() {
 	altered := false
 	for i, obj := range d.cachedObjs {
 		if !reflect.DeepEqual(obj.cached, obj.copied) {
-			fmt.Printf("CACHE %s[%d] ALTERED!\n%v\n", d.name, i, diff.ObjectDiff(obj.cached, obj.copied))
+			fmt.Printf("CACHE %s[%d] ALTERED!\n%v\n", d.name, i, diff.ObjectGoPrintSideBySide(obj.cached, obj.copied))
 			altered = true
 		}
 	}