diff --git a/lib/reducers/report-store-reducer.js b/lib/reducers/report-store-reducer.js
--- a/lib/reducers/report-store-reducer.js
+++ b/lib/reducers/report-store-reducer.js
@@ -173,7 +173,7 @@
     };
   }
 
-  if (newReports) {
+  if (newReports.length > 0) {
     const reportStoreOperations: $ReadOnlyArray<ReportStoreOperation> =
       convertReportsToReplaceReportOps(newReports);