diff --git a/package/libs/polarssl/Makefile b/package/libs/polarssl/Makefile
index 7f9f85b9c5..ca837c54ab 100644
--- a/package/libs/polarssl/Makefile
+++ b/package/libs/polarssl/Makefile
@@ -16,6 +16,8 @@ PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-gpl.tgz
 PKG_SOURCE_URL:=https://polarssl.org/code/releases
 PKG_MD5SUM:=b656e4c83ee94f93d19eb0832fd7f976
 
+PKG_BUILD_PARALLEL:=1
+
 include $(INCLUDE_DIR)/package.mk
 include $(INCLUDE_DIR)/cmake.mk