diff --git a/addons_updater/rootfs/etc/cont-init.d/99-run.sh b/addons_updater/rootfs/etc/cont-init.d/99-run.sh
index 80c5d4bd0..d0bc081e1 100644
--- a/addons_updater/rootfs/etc/cont-init.d/99-run.sh
+++ b/addons_updater/rootfs/etc/cont-init.d/99-run.sh
@@ -75,7 +75,7 @@ for f in */; do
         BYDATE=$(jq -r .dockerhub_by_date updater.json)
 
         # Number of elements to check in dockerhub
-        if grep -Fxq "dockerhub_list_size" updater.json; then
+        if grep -q "dockerhub_list_size" updater.json; then
             LISTSIZE=$(jq -r .dockerhub_list_size updater.json)
         else
             LISTSIZE=100