diff --git a/docker/dedicated-server/Dockerfile b/docker/dedicated-server/Dockerfile
index e2dd48610..fe294fcf4 100644
--- a/docker/dedicated-server/Dockerfile
+++ b/docker/dedicated-server/Dockerfile
@@ -36,9 +36,10 @@ RUN set -eux; \
     apt-get install -y /tmp/umu-launcher.deb; \
     rm -f /tmp/umu-launcher.deb;
 
+ENV PROTONPATH=GE-Proton
 ENV PROTON_ENABLE_WAYLAND=1
 ENV WINEARCH=win64
-ENV WINEPREFIX=/var/opt/minecraft_lce
+ENV WINEPREFIX=/var/opt/wineprefix64
 
 WORKDIR /srv/mc