diff --git a/pq_test.go b/pq_test.go
index 1c333f8b447d8d98467952e39124c8ac386c0ed4..ab8b9efda1156b5d9aa02d17cfd35b41adcf4d09 100644
--- a/pq_test.go
+++ b/pq_test.go
@@ -53,7 +53,7 @@ func TestCorrectnessOfPop(t *testing.T) {
 	var priorities []int
 	for q.Len() > 0 {
 		i := q.Pop().(*TestElem).Priority
-		t.Log("popped %v", i)
+		t.Logf("popped %v", i)
 		priorities = append(priorities, i)
 	}
 	if !sort.IntsAreSorted(priorities) {