diff --git a/docs/app_examples.md b/docs/app_examples.md
index deefc478..8e7d8940 100644
--- a/docs/app_examples.md
+++ b/docs/app_examples.md
@@ -23,25 +23,28 @@ process is killed.}
 
 @tabs{
   @tab{Linux | <!-- -->
-    \| Field             \| Value                                               \|
-    \|-------------------\|-----------------------------------------------------\|
-    \| Application Name  \| @code{}Steam Big Picture@endcode                    \|
-    \| Detached Commands \| @code{}setsid steam steam://open/bigpicture@endcode \|
-    \| Image             \| @code{}steam.png@endcode                            \|
+    \| Field                        \| Value                                                \|
+    \|------------------------------\|------------------------------------------------------\|
+    \| Application Name             \| @code{}Steam Big Picture@endcode                     \|
+    \| Command Preporations -> Undo \| @code{}setsid steam steam://close/bigpicture@endcode \|
+    \| Detached Commands            \| @code{}setsid steam steam://open/bigpicture@endcode  \|
+    \| Image                        \| @code{}steam.png@endcode                             \|
   }
   @tab{macOS | <!-- -->
-    \| Field             \| Value                                             \|
-    \|-------------------\|---------------------------------------------------\|
-    \| Application Name  \| @code{}Steam Big Picture@endcode                  \|
-    \| Detached Commands \| @code{}open steam steam://open/bigpicture@endcode \|
-    \| Image             \| @code{}steam.png@endcode                          \|
+    \| Field                        \| Value                                          \|
+    \|------------------------------\|------------------------------------------------\|
+    \| Application Name             \| @code{}Steam Big Picture@endcode               \|
+    \| Command Preporations -> Undo \| @code{}open steam://close/bigpicture@endcode   \|
+    \| Detached Commands            \| @code{}open steam://open/bigpicture@endcode    \|
+    \| Image                        \| @code{}steam.png@endcode                       \|
   }
   @tab{Windows | <!-- -->
-    \| Field             \| Value                                  \|
-    \|-------------------\|----------------------------------------\|
-    \| Application Name  \| @code{}Steam Big Picture@endcode       \|
-    \| Detached Commands \| @code{}steam://open/bigpicture@endcode \|
-    \| Image             \| @code{}steam.png@endcode               \|
+    \| Field                        \| Value                                     \|
+    \|------------------------------\|-------------------------------------------\|
+    \| Application Name             \| @code{}Steam Big Picture@endcode          \|
+    \| Command Preporations -> Undo \| @code{}steam://close/bigpicture@endcode   \|
+    \| Detached Commands            \| @code{}steam://open/bigpicture@endcode    \|
+    \| Image                        \| @code{}steam.png@endcode                  \|
   }
 }
 
diff --git a/src_assets/linux/assets/apps.json b/src_assets/linux/assets/apps.json
index 04d98b62..bde2842e 100644
--- a/src_assets/linux/assets/apps.json
+++ b/src_assets/linux/assets/apps.json
@@ -22,6 +22,12 @@
       "detached": [
         "setsid steam steam://open/bigpicture"
       ],
+      "prep-cmd": [
+        {
+          "do": "",
+          "undo": "setsid steam steam://close/bigpicture"
+        }
+      ],
       "image-path": "steam.png"
     }
   ]
diff --git a/src_assets/macos/assets/apps.json b/src_assets/macos/assets/apps.json
index dcb8637c..ebc636e0 100644
--- a/src_assets/macos/assets/apps.json
+++ b/src_assets/macos/assets/apps.json
@@ -12,6 +12,12 @@
       "detached": [
         "open steam://open/bigpicture"
       ],
+      "prep-cmd": [
+        {
+          "do": "",
+          "undo": "open steam://close/bigpicture"
+        }
+      ],
       "image-path": "steam.png"
     }
   ]
diff --git a/src_assets/windows/assets/apps.json b/src_assets/windows/assets/apps.json
index c8d4cb74..9197dd84 100644
--- a/src_assets/windows/assets/apps.json
+++ b/src_assets/windows/assets/apps.json
@@ -8,6 +8,12 @@
     {
       "name": "Steam Big Picture",
       "cmd": "steam://open/bigpicture",
+      "prep-cmd": [
+        {
+          "do": "",
+          "undo": "steam://close/bigpicture"
+        }
+      ],
       "auto-detach": true,
       "wait-all": true,
       "image-path": "steam.png"