diff --git a/README.md b/README.md
index 85826c6..736f775 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,12 @@ Found 5 connected devices:
 export ADB_TRACE=info
 
 In case of any issues try `adb kill-server` and then `adb start-server`. Run `export ADB_TRACE=all` to see verbose output.
-You can also check open 5037 port with `fuser 5037/tcp`. Processes using this port can be killed with `fuser -k 5037/tcp`.
+You can also check open 5037 port with `fuser 5037/tcp` and kill it with `-k`. So on **host machine** try:
+
+```
+fuser -k 5037/tcp
+adb start-server
+```
 
 ### Targeting Android SDK versions
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 194d83d..a48d8c6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -29,6 +29,7 @@ services:
       - ${XDG_RUNTIME_DIR}/pulse:${XDG_RUNTIME_DIR}/pulse
       - /run/user/1000/at-spi:/run/user/1000/at-spi #TODO: pass UID?
       - /dev/shm:/dev/shm
+      - /dev/vga_arbiter:/dev/vga_arbiter
       - ./dev-init:/opt/dev-init # debug
       - .:/host # debug