diff --git a/dom/performance/Performance.cpp b/dom/performance/Performance.cpp
index acbdc55e1d91..3c19887908db 100644
--- a/dom/performance/Performance.cpp
+++ b/dom/performance/Performance.cpp
@@ -430,7 +430,7 @@ void
 Performance::InsertResourceEntry(PerformanceEntry* aEntry)
 {
   MOZ_ASSERT(aEntry);
-  MOZ_ASSERT(mResourceEntries.Length() < mResourceTimingBufferSize);
+  MOZ_ASSERT(mResourceEntries.Length() <= mResourceTimingBufferSize);
 
   // We won't add an entry when 'privacy.resistFingerprint' is true.
   if (nsContentUtils::ShouldResistFingerprinting()) {
diff --git a/dom/performance/PerformanceWorker.h b/dom/performance/PerformanceWorker.h
index 2a632975fbf7..86faa68a951e 100644
--- a/dom/performance/PerformanceWorker.h
+++ b/dom/performance/PerformanceWorker.h
@@ -68,7 +68,7 @@ protected:
 
   void DispatchBufferFullEvent() override
   {
-    MOZ_CRASH("This should not be called on workers.");
+    // Nothing to do here. See bug 1432758.
   }
 
 private: