diff --git a/tests/bench/qpmulti.c b/tests/bench/qpmulti.c
index 07c151e6c6..248b740df4 100644
--- a/tests/bench/qpmulti.c
+++ b/tests/bench/qpmulti.c
@@ -756,6 +756,8 @@ collect(void *varg) {
 		stats[mut].compactions += tp->compactions;
 	}
 
+	INSIST(elapsed >= RUNTIME);
+
 	printf("%7.3f\t", RUNTIME / (double)NS_PER_SEC);
 	printf("%7.3f\t", elapsed / (double)NS_PER_SEC);
 	printf("%7.3f\t", load_time);