diff --git a/.scripts/check-compose.sh b/.scripts/check-compose.sh
old mode 100644
new mode 100755
index 82f1a5170701886910ca6a36453aeab1ce1be625..f488e963872e642075ef8a0fae7376623cb196da
--- a/.scripts/check-compose.sh
+++ b/.scripts/check-compose.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
-OUTPUT=$(cat .docker/docker-compose.yml | grep "registry.datalab.tuwien.ac.at/.*" | grep -v "$APP_VERSION")
+OUTPUT=$(cat .docker/docker-compose.yml | grep "registry.datalab.tuwien.ac.at/.*" | grep -v "$DOC_VERSION")
 if [ $? -ne 1 ]; then
-  echo "[ERROR] Some image version(s) differ from APP_VERSION=${APP_VERSION}: ${OUTPUT}"
+  echo "[ERROR] Some image version(s) differ from DOC_VERSION=${DOC_VERSION}: ${OUTPUT}"
   exit 1
 fi
\ No newline at end of file