diff --git a/libraries/ganv/ganv.SlackBuild b/libraries/ganv/ganv.SlackBuild
index c3154d4646..2705881772 100644
--- a/libraries/ganv/ganv.SlackBuild
+++ b/libraries/ganv/ganv.SlackBuild
@@ -70,6 +70,7 @@ find -L . \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
 CFLAGS="$SLKCFLAGS" \
+CXXFLAGS="$SLKCFLAGS -std=c++11" \
 ./waf configure \
   --prefix=/usr \
   --libdir=/usr/lib${LIBDIRSUFFIX} \