diff --git a/IT-Tools/.env.example b/IT-Tools/.env.example
index 7351940..06547c3 100644
--- a/IT-Tools/.env.example
+++ b/IT-Tools/.env.example
@@ -1,7 +1,7 @@
 # IT-Tools Docker Compose Environment Variables
 
 # Container image version tag (e.g. "latest" or a specific release tag)
-IT-TOOLS_VERSION=latest
+IT_TOOLS_VERSION=latest
 
 # Host port to expose the IT-Tools web UI on
-IT-TOOLS_PORT=8000
+IT_TOOLS_PORT=8000
diff --git a/IT-Tools/docker-compose.yaml b/IT-Tools/docker-compose.yaml
index 37027be..14957c7 100644
--- a/IT-Tools/docker-compose.yaml
+++ b/IT-Tools/docker-compose.yaml
@@ -1,9 +1,9 @@
 services:
     app:
-        image: corentinth/it-tools:${IT-TOOLS_VERSION:-latest}
+        image: corentinth/it-tools:${IT_TOOLS_VERSION:-latest}
         container_name: it-tools-app
         ports:
-            - ${IT-TOOLS_PORT:-8000}:80
+            - ${IT_TOOLS_PORT:-8000}:80
         healthcheck:
             test: ["CMD-SHELL", "wget --no-verbose --tries=1 --spider http://127.0.0.1/ || exit 1"]
             interval: 30s