diff --git a/build-a-pi b/build-a-pi
index 032e76e..6d3f2f4 100755
--- a/build-a-pi
+++ b/build-a-pi
@@ -260,7 +260,7 @@ echo "HSPASS=\"$HSPASS\"" >>${CONFIG}
 #CHECK IF GPS IS CHOSEN TO INSTALL#
 ###################################
 GPSINSTALL=$(cat ${BASE} | grep GPS)
-if [ -n "${GPS}INSTALL" ]; then
+if [ -n "${GPSINSTALL}" ]; then
 
 	yad --center --height="300" --width="300" --form --separator="|" --item-separator="|" --title="GPS" \
 		--image ${LOGO} --window-icon=${LOGO} --image-on-top \