diff --git a/changelog.d/5746.bugfix b/changelog.d/5746.bugfix
new file mode 100644
index 0000000000..975a75f70a
--- /dev/null
+++ b/changelog.d/5746.bugfix
@@ -0,0 +1 @@
+Fixes crash when navigating the app whilst processing new room keys
\ No newline at end of file
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/RoomDecryptorProvider.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/RoomDecryptorProvider.kt
index 89fb43ef2e..c256911bd2 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/RoomDecryptorProvider.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/RoomDecryptorProvider.kt
@@ -74,7 +74,7 @@ internal class RoomDecryptorProvider @Inject constructor(
                     this.newSessionListener = object : NewSessionListener {
                         override fun onNewSession(roomId: String?, senderKey: String, sessionId: String) {
                             // PR reviewer: the parameter has been renamed so is now in conflict with the parameter of getOrCreateRoomDecryptor
-                            newSessionListeners.forEach {
+                            newSessionListeners.toList().forEach {
                                 try {
                                     it.onNewSession(roomId, senderKey, sessionId)
                                 } catch (e: Throwable) {