diff --git a/composeApp/build.gradle.kts b/composeApp/build.gradle.kts
index 9e78e71..df26346 100644
--- a/composeApp/build.gradle.kts
+++ b/composeApp/build.gradle.kts
@@ -70,7 +70,7 @@ compose.desktop {
     application {
         mainClass = "com.rukira.wowbackup.MainKt"
 
-        jvmArgs("-Dapple.awt.enableTemplateImages=true")
+        jvmArgs("-Dapple.awt.enableTemplateImages=true", "-Dapple.awt.UIElement=true")
 
         nativeDistributions {
             targetFormats(TargetFormat.Dmg, TargetFormat.Msi, TargetFormat.Deb)
@@ -82,6 +82,12 @@ compose.desktop {
             macOS {
                 bundleID = "com.rukira.wowbackup"
                 iconFile.set(project.file("src/jvmMain/resources/icon.icns"))
+                infoPlist {
+                    extraKeysRawXml = """
+                        <key>LSUIElement</key>
+                        <true/>
+                    """.trimIndent()
+                }
             }
 
             windows {
diff --git a/composeApp/src/jvmMain/kotlin/com/rukira/wowbackup/main.kt b/composeApp/src/jvmMain/kotlin/com/rukira/wowbackup/main.kt
index a9e0d8b..aee168b 100644
--- a/composeApp/src/jvmMain/kotlin/com/rukira/wowbackup/main.kt
+++ b/composeApp/src/jvmMain/kotlin/com/rukira/wowbackup/main.kt
@@ -28,6 +28,9 @@ import java.awt.GraphicsEnvironment
 private val logger = KotlinLogging.logger {}
 
 fun main() {
+    if (Platform.current == OS.Mac) {
+        System.setProperty("apple.awt.UIElement", "true")
+    }
     LoggingSetup.init()
     logger.info { "WoW Backup starting" }
 
diff --git a/docs/plans/feature-1-system-tray.md b/docs/plans/feature-1-system-tray.md
index 699456f..826321a 100644
--- a/docs/plans/feature-1-system-tray.md
+++ b/docs/plans/feature-1-system-tray.md
@@ -84,18 +84,31 @@ Strip all template code. Route to placeholder screens based on `currentScreen`:
 ### Step 5: Auto-show config if not configured
 In `main.kt`, on startup check `ConfigManager.isConfigured`. If false, set `currentScreen = Screen.CONFIG` and `isWindowVisible = true`.
 
-### Step 6: macOS JVM args
+### Step 6: macOS JVM args and Dock hiding (LSUIElement)
 **Files to modify:**
 - `composeApp/build.gradle.kts` — add to desktop application config:
 
 ```kotlin
 compose.desktop {
     application {
-        jvmArgs("-Dapple.awt.enableTemplateImages=true")
+        jvmArgs("-Dapple.awt.enableTemplateImages=true", "-Dapple.awt.UIElement=true")
+
+        nativeDistributions {
+            macOS {
+                infoPlist {
+                    extraKeysRawXml = """
+                        <key>LSUIElement</key>
+                        <true/>
+                    """.trimIndent()
+                }
+            }
+        }
     }
 }
 ```
 
+Also set `System.setProperty("apple.awt.UIElement", "true")` in `main.kt` for macOS so that the dock icon is suppressed during development runs.
+
 ## Verification
 1. `./gradlew composeApp:run` — app launches with tray icon visible
 2. Tray icon shows context menu with Status, Settings, Quit