diff --git a/src/main/main.c b/src/main/main.c
index de9c4f310..fcd553bee 100644
--- a/src/main/main.c
+++ b/src/main/main.c
@@ -450,7 +450,7 @@ static int poll_init(struct re *re)
 		if (re->fhsl)
 			return 0;
 
-		re->fhsl = mem_zalloc(re->maxfds * sizeof(re->fhsl), NULL);
+		re->fhsl = mem_zalloc(re->maxfds * sizeof(void *), NULL);
 		if (!re->fhsl)
 			return ENOMEM;
 		break;