diff --git a/0.17/files/docker-entrypoint.sh b/0.17/files/docker-entrypoint.sh
index 3095e29..ccd7273 100755
--- a/0.17/files/docker-entrypoint.sh
+++ b/0.17/files/docker-entrypoint.sh
@@ -37,7 +37,7 @@ if [[ $NRTMPSAVES -gt 0 ]]; then
   rm -f "$SAVES"/*.tmp.zip
 fi
 
-if [[ ${UPDATE_MODS_ON_START:-} ]]; then
+if [[ ${UPDATE_MODS_ON_START:-} == "true" ]]; then
   ./docker-update-mods.sh
 fi
 
diff --git a/0.18/files/docker-entrypoint.sh b/0.18/files/docker-entrypoint.sh
index 3095e29..ccd7273 100755
--- a/0.18/files/docker-entrypoint.sh
+++ b/0.18/files/docker-entrypoint.sh
@@ -37,7 +37,7 @@ if [[ $NRTMPSAVES -gt 0 ]]; then
   rm -f "$SAVES"/*.tmp.zip
 fi
 
-if [[ ${UPDATE_MODS_ON_START:-} ]]; then
+if [[ ${UPDATE_MODS_ON_START:-} == "true" ]]; then
   ./docker-update-mods.sh
 fi