diff --git a/docker/Dockerfile b/docker/Dockerfile
index 9ce1210..0e748c3 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -18,7 +18,7 @@ ENV WIS2DOWNLOADER_CONFIG "/app/config/config.json"
 # Update / upgrade
 RUN apt-get update && \
     apt-get upgrade && \
-    apt-get install -y gettext-base curl
+    apt-get install -y gettext-base=0.21-12 curl=7.88.1
 
 # install python dependencies
 RUN python -m pip install  --no-cache-dir gunicorn==23.0.0 requests==2.32.3 wis2downloader==0.3.0
diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh
index f2a2fe5..9b75abf 100644
--- a/docker/entrypoint.sh
+++ b/docker/entrypoint.sh
@@ -17,8 +17,8 @@ if [ ! -f "$DOWNLOAD_DIR/.session-info.json" ]; then
     echo '  "topics": {},' >> "$DOWNLOAD_DIR/.session-info.json"
     # generate a random string for client_id
     echo "Generating random client_id"
-    set client_id = $(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)
-    echo '  "client_id": "wis2box-wis2downloader-$(client_id)"' >> "$DOWNLOAD_DIR/.session-info.json"
+    client_id = $(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)
+    echo '  "client_id": "wis2box-wis2downloader-'"$(client_id)"'"' >> "$DOWNLOAD_DIR/.session-info.json"
     echo "}" >> "$DOWNLOAD_DIR/.session-info.json"
 fi