diff --git a/app/data/zsh-completion/_scrcpy b/app/data/zsh-completion/_scrcpy
index 097c80d6..fad20495 100644
--- a/app/data/zsh-completion/_scrcpy
+++ b/app/data/zsh-completion/_scrcpy
@@ -47,7 +47,7 @@ arguments=(
     '--record-format=[Force recording format]:format:(mp4 mkv)'
     '--render-driver=[Request SDL to use the given render driver]:driver name:(direct3d opengl opengles2 opengles metal software)'
     '--rotation=[Set the initial display rotation]:rotation values:(0 1 2 3)'
-    {-s,--serial=}'[The device serial number \(mandatory for multiple devices only\)]'
+    {-s,--serial=}'[The device serial number \(mandatory for multiple devices only\)]:serial:($(adb devices|grep -oP "\K\w+(?=\tdevice)"))'
     '--shortcut-mod=[\[key1,key2+key3,...\] Specify the modifiers to use for scrcpy shortcuts]:shortcut mod:(lctrl rctrl lalt ralt lsuper rsuper)'
     {-S,--turn-screen-off}'[Turn the device screen off immediately]'
     {-t,--show-touches}'[Show physical touches]'