diff --git a/tests/scripts/get_release_name.sh b/tests/scripts/get_release_name.sh
index 9790224f84..61100d268e 100755
--- a/tests/scripts/get_release_name.sh
+++ b/tests/scripts/get_release_name.sh
@@ -16,6 +16,7 @@
 
 # Exit immediately for non zero status
 set -e
+# Check unset variables
 set -u
 # Print commands
 set -x