--- a/storage/mozStorageService.cpp
+++ b/storage/mozStorageService.cpp
@@ -151,17 +151,17 @@ Service::CollectReports(nsIHandleReportC
                  NS_LITERAL_CSTRING("stmt"), stmtDesc,
                  SQLITE_DBSTATUS_STMT_USED, &totalConnSize);
 
       NS_NAMED_LITERAL_CSTRING(cacheDesc,
         "Memory (approximate) used by all pager caches used by connections "
         "to this database.");
       ReportConn(aHandleReport, aData, conn, pathHead,
                  NS_LITERAL_CSTRING("cache"), cacheDesc,
-                 SQLITE_DBSTATUS_CACHE_USED, &totalConnSize);
+                 SQLITE_DBSTATUS_CACHE_USED_SHARED, &totalConnSize);
 
       NS_NAMED_LITERAL_CSTRING(schemaDesc,
         "Memory (approximate) used to store the schema for all databases "
         "associated with connections to this database.");
       ReportConn(aHandleReport, aData, conn, pathHead,
                  NS_LITERAL_CSTRING("schema"), schemaDesc,
                  SQLITE_DBSTATUS_SCHEMA_USED, &totalConnSize);
     }