diff --git a/tests/eloop-bench/eloop-bench.c b/tests/eloop-bench/eloop-bench.c
index 351d133c..1a6dc246 100644
--- a/tests/eloop-bench/eloop-bench.c
+++ b/tests/eloop-bench/eloop-bench.c
@@ -108,7 +108,7 @@ runone(struct timespec *t)
 
 	if (clock_gettime(CLOCK_MONOTONIC, &ts) == -1)
 		err(EXIT_FAILURE, "clock_gettime");
-	result = eloop_start(e, NULL);
+	result = eloop_start(e);
 	if (clock_gettime(CLOCK_MONOTONIC, &te) == -1)
 		err(EXIT_FAILURE, "clock_gettime");