diff --git a/composeApp/src/androidMain/AndroidManifest.xml b/composeApp/src/androidMain/AndroidManifest.xml
index e7ae6e4..72e2439 100644
--- a/composeApp/src/androidMain/AndroidManifest.xml
+++ b/composeApp/src/androidMain/AndroidManifest.xml
@@ -7,6 +7,7 @@
         android:label="MyIce"
         android:icon="@mipmap/ic_launcher"
         android:supportsRtl="true"
+        android:enableOnBackInvokedCallback="true"
         android:theme="@android:style/Theme.Material.Light.NoActionBar">
         <activity
             android:name=".MainActivity"
diff --git a/composeApp/src/androidMain/kotlin/ch/parano/myice/ui/PlatformBackHandler.android.kt b/composeApp/src/androidMain/kotlin/ch/parano/myice/ui/PlatformBackHandler.android.kt
new file mode 100644
index 0000000..2da4622
--- /dev/null
+++ b/composeApp/src/androidMain/kotlin/ch/parano/myice/ui/PlatformBackHandler.android.kt
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// MyIce Kotlin Multiplatform — schedule/convocation viewer
+// Copyright (C) 2026  parano.ch
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package ch.parano.myice.ui
+
+import androidx.activity.compose.BackHandler
+import androidx.compose.runtime.Composable
+
+@Composable
+actual fun PlatformBackHandler(enabled: Boolean, onBack: () -> Unit) {
+    BackHandler(enabled = enabled, onBack = onBack)
+}
diff --git a/composeApp/src/commonMain/kotlin/ch/parano/myice/ui/PlatformBackHandler.kt b/composeApp/src/commonMain/kotlin/ch/parano/myice/ui/PlatformBackHandler.kt
new file mode 100644
index 0000000..08366e4
--- /dev/null
+++ b/composeApp/src/commonMain/kotlin/ch/parano/myice/ui/PlatformBackHandler.kt
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// MyIce Kotlin Multiplatform — schedule/convocation viewer
+// Copyright (C) 2026  parano.ch
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package ch.parano.myice.ui
+
+import androidx.compose.runtime.Composable
+
+@Composable
+expect fun PlatformBackHandler(enabled: Boolean = true, onBack: () -> Unit)
diff --git a/composeApp/src/commonMain/kotlin/ch/parano/myice/ui/screens/EventDetailScreen.kt b/composeApp/src/commonMain/kotlin/ch/parano/myice/ui/screens/EventDetailScreen.kt
index ebd3842..203bc7f 100644
--- a/composeApp/src/commonMain/kotlin/ch/parano/myice/ui/screens/EventDetailScreen.kt
+++ b/composeApp/src/commonMain/kotlin/ch/parano/myice/ui/screens/EventDetailScreen.kt
@@ -43,6 +43,7 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
+import ch.parano.myice.ui.PlatformBackHandler
 import ch.parano.myice.ui.components.LoadingIndicator
 import ch.parano.myice.util.formatEventDate
 import ch.parano.myice.util.formatEventTimeRange
@@ -60,6 +61,8 @@ fun EventDetailScreen(
     onBack: () -> Unit,
     modifier: Modifier = Modifier,
 ) {
+    PlatformBackHandler { onBack() }
+
     LaunchedEffect(gameId, account) {
         viewModel.loadEventDetail(gameId, account)
     }
diff --git a/composeApp/src/desktopMain/kotlin/ch/parano/myice/ui/PlatformBackHandler.desktop.kt b/composeApp/src/desktopMain/kotlin/ch/parano/myice/ui/PlatformBackHandler.desktop.kt
new file mode 100644
index 0000000..2dd7981
--- /dev/null
+++ b/composeApp/src/desktopMain/kotlin/ch/parano/myice/ui/PlatformBackHandler.desktop.kt
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// MyIce Kotlin Multiplatform — schedule/convocation viewer
+// Copyright (C) 2026  parano.ch
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package ch.parano.myice.ui
+
+import androidx.compose.runtime.Composable
+
+@Composable
+actual fun PlatformBackHandler(enabled: Boolean, onBack: () -> Unit) {
+}
diff --git a/composeApp/src/iosMain/kotlin/ch/parano/myice/ui/PlatformBackHandler.ios.kt b/composeApp/src/iosMain/kotlin/ch/parano/myice/ui/PlatformBackHandler.ios.kt
new file mode 100644
index 0000000..2dd7981
--- /dev/null
+++ b/composeApp/src/iosMain/kotlin/ch/parano/myice/ui/PlatformBackHandler.ios.kt
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// MyIce Kotlin Multiplatform — schedule/convocation viewer
+// Copyright (C) 2026  parano.ch
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package ch.parano.myice.ui
+
+import androidx.compose.runtime.Composable
+
+@Composable
+actual fun PlatformBackHandler(enabled: Boolean, onBack: () -> Unit) {
+}