--- a/gfx/layers/ipc/CompositorParent.cpp
+++ b/gfx/layers/ipc/CompositorParent.cpp
@@ -2175,18 +2175,25 @@ CompositorParent::UpdatePluginWindowStat
   CompositorParent::LayerTreeState& lts = sIndirectLayerTrees[aId];
   if (!lts.mParent) {
     PLUGINS_LOG("[%" PRIu64 "] layer tree compositor parent pointer is null", aId);
     return false;
   }
 
   // Check if this layer tree has received any shadow layer updates
   if (!lts.mUpdatedPluginDataAvailable) {
-    PLUGINS_LOG("[%" PRIu64 "] no plugin data", aId);
-    return false;
+    if (mLastPluginUpdateLayerTreeId != aId) {
+      lts.mUpdatedPluginDataAvailable = true;
+      mPluginsLayerOffset = nsIntPoint(0,0);
+      mPluginsLayerVisibleRegion.SetEmpty();
+      PLUGINS_LOG("[%" PRIu64 "] new layer id, refreshing", aId);
+    } else {
+      PLUGINS_LOG("[%" PRIu64 "] no plugin data", aId);
+      return false;
+    }
   }
 
   // pluginMetricsChanged tracks whether we need to send plugin update
   // data to the main thread. If we do we'll have to block composition,
   // which we want to avoid if at all possible.
   bool pluginMetricsChanged = false;
 
   // Same layer tree checks