diff --git a/package/openswan/openswan.mk b/package/openswan/openswan.mk
index 7f083f695d..bb56e4516c 100644
--- a/package/openswan/openswan.mk
+++ b/package/openswan/openswan.mk
@@ -15,7 +15,7 @@ OPENSWAN_MAKE_OPTS = ARCH=$(BR2_ARCH) CC="$(TARGET_CC)" POD2MAN="" XMLTO="" \
 	USERCOMPILE="$(TARGET_CFLAGS) $(if $(BR2_TOOLCHAIN_SUPPORTS_PIE),-fPIE)" \
 	USERLINK="$(TARGET_LDFLAGS) $(if $(BR2_TOOLCHAIN_SUPPORTS_PIE),-fPIE)" \
 	INC_USRLOCAL=/usr USE_KLIPS=false USE_MAST=false USE_NM=false \
-	USE_NOMANINSTALL=true
+	USE_NOMANINSTALL=true WERROR=""
 
 ifeq ($(BR2_PACKAGE_LIBCURL),y)
 OPENSWAN_DEPENDENCIES += libcurl