diff --git a/libraries/libgnomecanvasmm/libgnomecanvasmm.SlackBuild b/libraries/libgnomecanvasmm/libgnomecanvasmm.SlackBuild
index 665f2b7d10..9facd842a7 100644
--- a/libraries/libgnomecanvasmm/libgnomecanvasmm.SlackBuild
+++ b/libraries/libgnomecanvasmm/libgnomecanvasmm.SlackBuild
@@ -70,7 +70,7 @@ find -L . \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
 CFLAGS="$SLKCFLAGS" \
-CXXFLAGS="$SLKCFLAGS" \
+CXXFLAGS="$SLKCFLAGS -std=c++11" \
 ./configure \
   --prefix=/usr \
   --libdir=/usr/lib${LIBDIRSUFFIX} \