diff --git a/include/proto/server.h b/include/proto/server.h
index d0b925c..10c55a9 100644
--- a/include/proto/server.h
+++ b/include/proto/server.h
@@ -256,7 +256,7 @@
 		int retadd;
 
 		retadd = _HA_ATOMIC_ADD(&srv->curr_idle_conns, 1);
-		if (retadd >= srv->max_idle_conns) {
+		if (retadd > srv->max_idle_conns) {
 			_HA_ATOMIC_SUB(&srv->curr_idle_conns, 1);
 			return 0;
 		}