diff --git a/overlay/hooks/entrypoint-pre.d/00_deprecation.sh b/overlay/hooks/entrypoint-pre.d/00_deprecation.sh
index 0587cfa..a841f3b 100644
--- a/overlay/hooks/entrypoint-pre.d/00_deprecation.sh
+++ b/overlay/hooks/entrypoint-pre.d/00_deprecation.sh
@@ -7,9 +7,9 @@ if [[ ! -z "${CACHE_DOMAIN_REPO}" ]]; then
 
 fi
 
-if [[ ! -z "${CACHE_INDEX_SIZE}" ]]; then
+if [[ ! -z "${CACHE_MEM_SIZE}" ]]; then
 	echo " *** CACHE_MEM_SIZE has been deprecated in place of CACHE_INDEX_SIZE"
 	echo " *** Using CACHE_MEM_SIZE as the value"
 	echo " *** Please update your configuration at your earliest convenience"
 	CACHE_INDEX_SIZE=$CACHE_MEM_SIZE
-fi
\ No newline at end of file
+fi