diff --git a/build/tools/before_install.sh b/build/tools/before_install.sh
index 96286c6a32..0411254cfd 100755
--- a/build/tools/before_install.sh
+++ b/build/tools/before_install.sh
@@ -15,7 +15,7 @@ case $(uname -s) in
                 *--with-directfb*) libtoolkit_dev='libdirectfb-dev'         ;;
                 *--with-motif*)    libtoolkit_dev='libmotif-dev libxmu-dev' ;;
                 *--with-qt*)       libtoolkit_dev='qtdeclarative5-dev libqt5opengl5-dev';;
-                *--with-x11*)      ;;
+                *--with-x11*)      extra_deps='libpango1.0-dev' ;;
                 *)
                     case "$wxGTK_VERSION" in
                         3)  libtoolkit_dev=libgtk-3-dev