--- a/accessible/base/nsAccessibilityService.cpp
+++ b/accessible/base/nsAccessibilityService.cpp
@@ -1787,16 +1787,17 @@ GetOrCreateAccService(bool aIsPlatformCa
     if (!service->Init()) {
       service->Shutdown();
       return nullptr;
     }
   }
 
   MOZ_ASSERT(nsAccessibilityService::gAccessibilityService,
              "Accessible service is not initialized.");
+  statistics::A11yInitialized();
   return nsAccessibilityService::gAccessibilityService;
 }
 
 bool
 CanShutdownAccService()
 {
   nsAccessibilityService* accService = nsAccessibilityService::gAccessibilityService;
   if (!accService) {