diff --git a/building.sh b/building.sh
index 5edd6be..d05a115 100755
--- a/building.sh
+++ b/building.sh
@@ -59,7 +59,7 @@ copy_to_tftp() {
 }
 
 select_project() {
-    AVAILABLE_PROJECTS=$(ls -1 ${COMPOSER_DIR}/projects)
+    AVAILABLE_PROJECTS=$(ls -1 ${COMPOSER_DIR}/projects | grep '_')
     cmd="whiptail --title \"Available projects\" --menu \"Please select a project from the list below:\" 25 78 16"
     for p in $AVAILABLE_PROJECTS; do cmd="${cmd} \"$p\" \"\""; done
     PROJECT=$(eval "${cmd} 3>&1 1>&2 2>&3")