diff --git a/app/src/main/java/org/thoughtcrime/securesms/components/webrtc/WebRtcCallView.java b/app/src/main/java/org/thoughtcrime/securesms/components/webrtc/WebRtcCallView.java
index 6d4155f9df..7b388524cb 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/components/webrtc/WebRtcCallView.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/components/webrtc/WebRtcCallView.java
@@ -6,6 +6,7 @@ import android.graphics.ColorMatrixColorFilter;
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.os.Build;
+import android.os.Looper;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
@@ -25,6 +26,7 @@ import androidx.constraintlayout.widget.ConstraintLayout;
 import androidx.constraintlayout.widget.ConstraintSet;
 import androidx.constraintlayout.widget.Guideline;
 import androidx.core.util.Consumer;
+import androidx.core.util.Preconditions;
 import androidx.core.view.ViewKt;
 import androidx.core.view.WindowInsetsCompat;
 import androidx.recyclerview.widget.DefaultItemAnimator;
@@ -43,6 +45,7 @@ import com.google.common.collect.Sets;
 
 import org.signal.core.util.DimensionUnit;
 import org.signal.core.util.SetUtil;
+import org.signal.core.util.ThreadUtil;
 import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.animation.ResizeAnimation;
@@ -71,6 +74,8 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
+import kotlin.concurrent.ThreadsKt;
+
 public class WebRtcCallView extends ConstraintLayout {
 
   private static final String TAG = Log.tag(WebRtcCallView.class);
@@ -593,6 +598,7 @@ public class WebRtcCallView extends ConstraintLayout {
   }
 
   public void setStatus(@Nullable String status) {
+    ThreadUtil.assertMainThread();
     this.status.setText(status);
     collapsedToolbar.setSubtitle(status);
   }