diff --git a/packages/addons/addon-depends/network-tools-depends/udpxy/package.mk b/packages/addons/addon-depends/network-tools-depends/udpxy/package.mk
index 025da64465..69bb43c370 100644
--- a/packages/addons/addon-depends/network-tools-depends/udpxy/package.mk
+++ b/packages/addons/addon-depends/network-tools-depends/udpxy/package.mk
@@ -33,6 +33,7 @@ PKG_AUTORECONF="no"
 pre_configure_target() {
   # fails to build with gcc 4.9 + lto
   strip_lto
+  CFLAGS="$CFLAGS -Wno-error=unused-const-variable"
 }
 
 makeinstall_target() {