diff --git a/package/haproxy/Config.in b/package/haproxy/Config.in
index db63143a74..b348eb9d8a 100644
--- a/package/haproxy/Config.in
+++ b/package/haproxy/Config.in
@@ -10,7 +10,7 @@ config BR2_PACKAGE_HAPROXY
 	bool "haproxy"
 	depends on BR2_PACKAGE_HAPROXY_ARCH_SUPPORTS
 	depends on BR2_USE_MMU # fork()
-	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # __sync_*_4 intrisics
+	depends on BR2_TOOLCHAIN_HAS_SYNC_1 && BR2_TOOLCHAIN_HAS_SYNC_4
 	help
 	  HAProxy is a free, very fast and reliable solution offering
 	  high availability, load balancing, and proxying for TCP and