diff --git a/attachment-viewer/src/main/java/im/vector/lib/attachmentviewer/AttachmentViewerActivity.kt b/attachment-viewer/src/main/java/im/vector/lib/attachmentviewer/AttachmentViewerActivity.kt
index 8676b3b7c4..573138bf5c 100644
--- a/attachment-viewer/src/main/java/im/vector/lib/attachmentviewer/AttachmentViewerActivity.kt
+++ b/attachment-viewer/src/main/java/im/vector/lib/attachmentviewer/AttachmentViewerActivity.kt
@@ -143,7 +143,7 @@ abstract class AttachmentViewerActivity : AppCompatActivity(), AttachmentEventLi
             window.setDecorFitsSystemWindows(false)
             // New API instead of SYSTEM_UI_FLAG_IMMERSIVE
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
-                window.decorView.windowInsetsController?.systemBarsBehavior = WindowInsetsController.BEHAVIOR_DEFAULT
+                window.decorView.windowInsetsController?.systemBarsBehavior = WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
             } else {
                 @SuppressLint("WrongConstant")
                 window.decorView.windowInsetsController?.systemBarsBehavior = WindowInsetsController.BEHAVIOR_SHOW_BARS_BY_SWIPE
@@ -354,7 +354,7 @@ abstract class AttachmentViewerActivity : AppCompatActivity(), AttachmentEventLi
             window.decorView.windowInsetsController?.hide(WindowInsets.Type.navigationBars())
             // New API instead of SYSTEM_UI_FLAG_IMMERSIVE
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
-                window.decorView.windowInsetsController?.systemBarsBehavior = WindowInsetsController.BEHAVIOR_DEFAULT
+                window.decorView.windowInsetsController?.systemBarsBehavior = WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
             } else {
                 @SuppressLint("WrongConstant")
                 window.decorView.windowInsetsController?.systemBarsBehavior = WindowInsetsController.BEHAVIOR_SHOW_BARS_BY_SWIPE
diff --git a/vector/src/main/java/im/vector/app/core/platform/VectorBaseActivity.kt b/vector/src/main/java/im/vector/app/core/platform/VectorBaseActivity.kt
index 138652c7c8..0fd660effb 100644
--- a/vector/src/main/java/im/vector/app/core/platform/VectorBaseActivity.kt
+++ b/vector/src/main/java/im/vector/app/core/platform/VectorBaseActivity.kt
@@ -405,7 +405,7 @@ abstract class VectorBaseActivity<VB : ViewBinding> : AppCompatActivity(), Maver
             window.setDecorFitsSystemWindows(false)
             // New API instead of SYSTEM_UI_FLAG_IMMERSIVE
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
-                window.decorView.windowInsetsController?.systemBarsBehavior = WindowInsetsController.BEHAVIOR_DEFAULT
+                window.decorView.windowInsetsController?.systemBarsBehavior = WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
             } else {
                 @SuppressLint("WrongConstant")
                 window.decorView.windowInsetsController?.systemBarsBehavior = WindowInsetsController.BEHAVIOR_SHOW_BARS_BY_SWIPE