diff --git a/syncmap/map_test.go b/syncmap/map_test.go
index a60bbed..c883f17 100644
--- a/syncmap/map_test.go
+++ b/syncmap/map_test.go
@@ -105,7 +105,7 @@ func TestMapMatchesRWMutex(t *testing.T) {
 }
 
 func TestMapMatchesDeepCopy(t *testing.T) {
-	if err := quick.CheckEqual(applyMap, applyRWMutexMap, nil); err != nil {
+	if err := quick.CheckEqual(applyMap, applyDeepCopyMap, nil); err != nil {
 		t.Error(err)
 	}
 }