diff --git a/minecraft-server/start b/minecraft-server/start
index e0170f19..9e4c5f12 100755
--- a/minecraft-server/start
+++ b/minecraft-server/start
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 if [ $(id -u) = 0 ]; then
-  if [[ -v UID ]]; then
+  if [[ -v UID && $UID != $(id -u) ]]; then
     usermod -u $UID minecraft
   fi
   if [[ -v GID ]]; then