diff --git a/package/network/services/e2guardian/Makefile b/package/network/services/e2guardian/Makefile
index 14462a460..17328ddba 100644
--- a/package/network/services/e2guardian/Makefile
+++ b/package/network/services/e2guardian/Makefile
@@ -41,7 +41,7 @@ endef
 
 CONFIGURE_VARS += \
 	INCLUDES="" \
-	CXXFLAGS="$$$$CXXFLAGS -fno-rtti" \
+	CXXFLAGS="$$$$CXXFLAGS -fno-rtti -std=c++14" \
 	LIBS="-lpthread"
 
 CONFIGURE_ARGS += \