diff --git a/packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/api/GeckoPwaApiImpl.kt b/packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/api/GeckoPwaApiImpl.kt
index e8819533..a1f6c899 100644
--- a/packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/api/GeckoPwaApiImpl.kt
+++ b/packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/api/GeckoPwaApiImpl.kt
@@ -342,7 +342,7 @@ class GeckoPwaApiImpl(
             currentUrl = currentUrl,
             name = name,
             shortName = shortName,
-            display = display?.name?.lowercase(),
+            display = display?.name?.lowercase()?.replace("_", "-"),
             themeColor = themeColor?.let { String.format("#%06X", 0xFFFFFF and it) },
             backgroundColor = backgroundColor?.let { String.format("#%06X", 0xFFFFFF and it) },
             scope = scope,
diff --git a/packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/components/Events.kt b/packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/components/Events.kt
index 8d95bf14..33417b51 100644
--- a/packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/components/Events.kt
+++ b/packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/components/Events.kt
@@ -320,7 +320,7 @@ class Events(
                         currentUrl = currentUrl,
                         name = manifest.name,
                         shortName = manifest.shortName,
-                        display = manifest.display?.name?.lowercase(),
+                        display = manifest.display?.name?.lowercase()?.replace("_", "-"),
                         themeColor = manifest.themeColor?.let { String.format("#%06X", 0xFFFFFF and it) },
                         backgroundColor = manifest.backgroundColor?.let { String.format("#%06X", 0xFFFFFF and it) },
                         scope = manifest.scope,