diff --git a/development/regexxer/regexxer.SlackBuild b/development/regexxer/regexxer.SlackBuild
index f1a85145ef..62ce3eb8e4 100644
--- a/development/regexxer/regexxer.SlackBuild
+++ b/development/regexxer/regexxer.SlackBuild
@@ -56,7 +56,7 @@ find -L . \
 patch -p1 -i $CWD/glib-single-include.patch
 
 CFLAGS="$SLKCFLAGS" \
-CXXFLAGS="$SLKCFLAGS" \
+CXXFLAGS="$SLKCFLAGS -std=c++11" \
 ./configure \
   --prefix=/usr \
   --libdir=/usr/lib${LIBDIRSUFFIX} \