diff --git a/functions/base.function b/functions/base.function
index 57f3d54..7bda16a 100644
--- a/functions/base.function
+++ b/functions/base.function
@@ -65,7 +65,7 @@ GPS() {
     #rm ${DIR}/gpsinstall
 
 #begin gpsd change 11OCT2021 - see https://github.com/km4ack/pi-build/issues/316  
-    sudo apt-get -y install scons libncurses5-dev python-dev pps-tools chrony
+    sudo apt-get -y install scons libncurses5-dev python-dev pps-tools chrony python-gi-cairo
     sudo ldconfig
     cd ${BUILDDIR}
     wget http://download.savannah.gnu.org/releases/gpsd/gpsd-3.23.1.tar.gz