Index: /trunk/src/VBox/VMM/PDMAsyncCompletionFileCache.cpp
===================================================================
--- /trunk/src/VBox/VMM/PDMAsyncCompletionFileCache.cpp	(revision 27522)
+++ /trunk/src/VBox/VMM/PDMAsyncCompletionFileCache.cpp	(revision 27523)
@@ -1847,5 +1847,5 @@
         else
         {
-#ifndef VBOX_WITH_IO_READ_CACHE
+#ifdef VBOX_WITH_IO_READ_CACHE
             /* No entry found for this offset. Create a new entry and fetch the data to the cache. */
             PPDMACFILECACHEENTRY pEntryNew = pdmacFileEpCacheEntryCreate(pEndpoint,
