diff --git a/docker/README.md b/docker/README.md
index affe1d460..92cc1df6d 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -403,7 +403,7 @@ Corresponding `docker-compose.yml` overrides:
 
 `mempool-config.json`:
 ```
-  "CLN": {
+  "CLIGHTNING": {
     "SOCKET": ""
   }
 ```
@@ -412,6 +412,6 @@ Corresponding `docker-compose.yml` overrides:
 ```
   api:
     environment:
-      CLN_SOCKET: ""
+      CLIGHTNING_SOCKET: ""
       ...
 ```
diff --git a/docker/backend/mempool-config.json b/docker/backend/mempool-config.json
index 9ac2d4f7a..930430127 100644
--- a/docker/backend/mempool-config.json
+++ b/docker/backend/mempool-config.json
@@ -81,7 +81,7 @@
     "REST_API_URL": "__LND_REST_API_URL__"
   },
   "CLIGHTNING": {
-    "SOCKET": "__CLN_SOCKET__"
+    "SOCKET": "__CLIGHTNING_SOCKET__"
   },
   "SOCKS5PROXY": {
     "ENABLED": __SOCKS5PROXY_ENABLED__,
diff --git a/docker/backend/start.sh b/docker/backend/start.sh
index 8e6a34013..47b768e7d 100644
--- a/docker/backend/start.sh
+++ b/docker/backend/start.sh
@@ -105,7 +105,7 @@ __LND_MACAROON_PATH__=${LND_MACAROON_PATH:=""}
 __LND_REST_API_URL__=${LND_REST_API_URL:="https://localhost:8080"}
 
 # CLN
-__CLN_SOCKET__=${CLN_SOCKET:=""}
+__CLIGHTNING_SOCKET__=${CLIGHTNING_SOCKET:=""}
 
 mkdir -p "${__MEMPOOL_CACHE_DIR__}"