diff --git a/docker/scripts/start-zookeeper b/docker/scripts/start-zookeeper
index 8a5ce73..eaeee56 100755
--- a/docker/scripts/start-zookeeper
+++ b/docker/scripts/start-zookeeper
@@ -197,7 +197,7 @@ function create_config() {
     echo "minSessionTimeout=$MIN_SESSION_TIMEOUT" >> $CONFIG_FILE
     echo "maxSessionTimeout=$MAX_SESSION_TIMEOUT" >> $CONFIG_FILE
     echo "autopurge.snapRetainCount=$SNAP_RETAIN_COUNT" >> $CONFIG_FILE
-    echo "autopurge.purgeInteval=$PURGE_INTERVAL" >> $CONFIG_FILE
+    echo "autopurge.purgeInterval=$PURGE_INTERVAL" >> $CONFIG_FILE
      if [ $SERVERS -gt 1 ]; then
         print_servers >> $CONFIG_FILE
     fi
@@ -318,4 +318,4 @@ fi
 
 MY_ID=$((ORD+1))
 
-create_config && create_jvm_props && create_log_props && create_data_dirs && exec zkServer.sh start-foreground
\ No newline at end of file
+create_config && create_jvm_props && create_log_props && create_data_dirs && exec zkServer.sh start-foreground