diff --git a/.env.legacy b/.env.legacy
index c3edd37..feea471 100644
--- a/.env.legacy
+++ b/.env.legacy
@@ -6,7 +6,7 @@ CPU_CORES=2
 DISK_SIZE=32G
 
 # User Credentials
-USERNAME=Docker
+USERNAME=docker
 PASSWORD=admin
 
 # Language & Region
diff --git a/.env.modern b/.env.modern
index 69b969b..9e32268 100644
--- a/.env.modern
+++ b/.env.modern
@@ -6,7 +6,7 @@ CPU_CORES=4
 DISK_SIZE=128G
 
 # User Credentials
-USERNAME=Docker
+USERNAME=docker
 PASSWORD=admin
 
 # Language & Region