diff --git a/src/cfgparse.c b/src/cfgparse.c
index 8ad64bcf9..68cb0e980 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -3654,7 +3654,7 @@ int check_config_validity()
 					goto err;
 				for (i = 0; i < global.nbthread; i++)
 					MT_LIST_INIT(&newsrv->idle_orphan_conns[i]);
-				newsrv->curr_idle_thr = calloc(global.nbthread, sizeof(int));
+				newsrv->curr_idle_thr = calloc(global.nbthread, sizeof(*newsrv->curr_idle_thr));
 				if (!newsrv->curr_idle_thr)
 					goto err;
 				continue;