diff --git a/plasma/docker-compose.yaml b/plasma/docker-compose.yaml
index 9ec6e9f..6c83241 100644
--- a/plasma/docker-compose.yaml
+++ b/plasma/docker-compose.yaml
@@ -23,7 +23,7 @@ services:
     ports:
       - ${MYVNC_KDEPLASMA_PORT}:6900
     environment:
-      MYVNC_CUSTOM_TITLE: ${MYVNC_KDEPLASMA_TITLE}
+      MYVNC_CUSTOM_TITLE: ${MYVNC_KDEPLASMA_CUSTOM_TITLE}
       MYVNC_PROXYPATH: ${MYVNC_KDEPLASMA_PROXYPATH}
       MYVNC_VNCLISTEN_HOST: kdeplasma
       MYVNC_VNCLISTEN_PORT: 5900