--- a/gfx/layers/apz/src/FocusState.cpp
+++ b/gfx/layers/apz/src/FocusState.cpp
@@ -98,16 +98,24 @@ FocusState::Update(uint64_t aRootLayerTr
 
         // This is the global focus target
         mFocusHorizontalTarget = target.mData.mScrollTargets.mHorizontal;
         mFocusVerticalTarget = target.mData.mScrollTargets.mVertical;
 
         // Mark what sequence number this target has so we can determine whether
         // it is stale or not
         mLastContentProcessedEvent = target.mSequenceNumber;
+
+        // If this focus state was just created and content has experienced more
+        // events then us, then assume we were recreated and sync focus sequence
+        // numbers.
+        if (mLastAPZProcessedEvent == 1 &&
+            mLastContentProcessedEvent > mLastAPZProcessedEvent) {
+          mLastAPZProcessedEvent = mLastContentProcessedEvent;
+        }
         return;
       }
       case FocusTarget::eNone: {
         FS_LOG("Setting target to nil (reached a nil target)\n");
 
         // Mark what sequence number this target has for debugging purposes so
         // we can always accurately report on whether we are stale or not
         mLastContentProcessedEvent = target.mSequenceNumber;