diff --git a/Dockerfile b/Dockerfile
index 1bf0f67..f85c851 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,10 @@
 FROM ubuntu:16.04
 
+#Default environment variables
+ENV IWAD /home/zandronum/iwad/doom1.wad
+ENV CONFIG /home/zandronum/config/default.cfg
+ENV START_MAP E1M1
+
 #Disable Upstart (not sure if 16.04 still has Upstart but whatever)
 RUN dpkg-divert --local --rename --add /sbin/initctl && \
  ln -sf /bin/true /sbin/initctl && \

diff --git a/Dockerfile b/Dockerfile
index 1bf0f67..f85c851 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,10 @@
 FROM ubuntu:16.04
 
+#Default environment variables
+ENV IWAD /home/zandronum/iwad/doom1.wad
+ENV CONFIG /home/zandronum/config/default.cfg
+ENV START_MAP E1M1
+
 #Disable Upstart (not sure if 16.04 still has Upstart but whatever)
 RUN dpkg-divert --local --rename --add /sbin/initctl && \
  ln -sf /bin/true /sbin/initctl && \
diff --git a/bin/summon.sh b/bin/summon.sh
index b9a2286..2434ea3 100644
--- a/bin/summon.sh
+++ b/bin/summon.sh
@@ -4,8 +4,7 @@
   -host \
   -port 10666 \
   -iwad "/home/zandronum/iwads/$IWAD" \
-  -file "$PWADS" \
   +exec "/home/zandronum/config/$CONFIG" \
-  +CrashLog_Dir "/home/zandronum/logs/$SRV_NAME.log" \
+  +CrashLog_Dir "/home/zandronum/logs/$SERVER_NAME.log" \
   +CrashLogs 2 \
-  +map $BOOT_MAP 
+  +map $START_MAP