diff --git a/.gitlab-ci/check-potfiles.sh b/.gitlab-ci/check-potfiles.sh
index a36fe7539..82f101cf8 100755
--- a/.gitlab-ci/check-potfiles.sh
+++ b/.gitlab-ci/check-potfiles.sh
@@ -1,10 +1,14 @@
 #!/usr/bin/env bash
 
 srcdirs="src subprojects/extensions-tool"
+uidirs="js subprojects/extensions-app"
 
 # find source files that contain gettext keywords
 files=$(grep -lR --include='*.c' '\(gettext\|[^I_)]_\)(' $srcdirs)
 
+# find ui files that contain translatable string
+files="$files "$(grep -lRi --include='*.ui' 'translatable="[ty1]' $uidirs)
+
 # filter out excluded files
 if [ -f po/POTFILES.skip ]; then
   files=$(for f in $files; do ! grep -q ^$f po/POTFILES.skip && echo $f; done)