diff --git a/firmware/export/config.h b/firmware/export/config.h
index 858d9bf250..5bff51fbef 100644
--- a/firmware/export/config.h
+++ b/firmware/export/config.h
@@ -921,7 +921,7 @@ Lyre prototype 1 */
 #define HAVE_PLUGIN_CHECK_OPEN_CLOSE
 #endif
 
-#ifdef HAVE_DIRCACHE
+#if defined(HAVE_DIRCACHE) && !defined(SIMULATOR)
 #define HAVE_IO_PRIORITY
 #endif