diff --git a/FishjamClient/src/main/java/org/membraneframework/rtc/InternalMembraneRTC.kt b/FishjamClient/src/main/java/org/membraneframework/rtc/InternalMembraneRTC.kt
index dd2ac82..42a3312 100644
--- a/FishjamClient/src/main/java/org/membraneframework/rtc/InternalMembraneRTC.kt
+++ b/FishjamClient/src/main/java/org/membraneframework/rtc/InternalMembraneRTC.kt
@@ -6,6 +6,7 @@ import com.fishjamdev.client.BuildConfig
 import kotlinx.coroutines.*
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
+import org.membraneframework.rtc.error.MembraneError
 import org.membraneframework.rtc.events.OfferData
 import org.membraneframework.rtc.media.*
 import org.membraneframework.rtc.models.EncodingReason
@@ -229,13 +230,14 @@ internal class InternalMembraneRTC(
     fun updateTrackMetadata(
         trackId: String,
         trackMetadata: Metadata
-    ) {
-        if (localTracksReady[trackId] != true) return
+    ): Result<Unit> {
+        if (localTracksReady[trackId] != true) return Result.failure(Exception(MembraneError.TRACK_NOT_READY.message))
 
         coroutineScope.launch {
             rtcEngineCommunication.updateTrackMetadata(trackId, trackMetadata)
             localEndpoint = localEndpoint.withTrack(trackId, trackMetadata)
         }
+        return Result.success(Unit)
     }
 
     override fun onConnected(
diff --git a/FishjamClient/src/main/java/org/membraneframework/rtc/error/MembraneError.kt b/FishjamClient/src/main/java/org/membraneframework/rtc/error/MembraneError.kt
new file mode 100644
index 0000000..d992155
--- /dev/null
+++ b/FishjamClient/src/main/java/org/membraneframework/rtc/error/MembraneError.kt
@@ -0,0 +1,5 @@
+package org.membraneframework.rtc.error
+
+enum class MembraneError(val message: String) {
+    TRACK_NOT_READY("Track was not confirmed by backed. Try again later"),
+}
\ No newline at end of file