diff --git a/minecraft-server/start b/minecraft-server/start
index 51f0443c..cd7aa384 100755
--- a/minecraft-server/start
+++ b/minecraft-server/start
@@ -1,8 +1,9 @@
 #!/bin/sh
 
 set -e
-sed -i "/^minecraft/s/:1000:1000:/:${UID}:${GID}:/g" /etc/passwd
-sed -i "/^minecraft/s/:1000:/:${GID}:/g" /etc/group
+# Since Alpine doesn't have a usermod command we have to directly manipulate the passwd/group files :(
+sed -i "/^minecraft/s/:1000:1000:/:${UID}:${GID}:/" /etc/passwd
+sed -i "/^minecraft/s/:1000:/:${GID}:/" /etc/group
 
 if [ "$SKIP_OWNERSHIP_FIX" != "TRUE" ]; then
   fix_ownership() {