Index: uspace/srv/fs/exfat/exfat.c
===================================================================
--- uspace/srv/fs/exfat/exfat.c	(revision 38d150e6238ab44c861f6486e46454e07caeb0f0)
+++ uspace/srv/fs/exfat/exfat.c	(revision c1694b6b243b360b5f1fbf0629b5e7d4f7f4a515)
@@ -43,4 +43,5 @@
 #include <async.h>
 #include <errno.h>
+#include <str_error.h>
 #include <task.h>
 #include <stdio.h>
@@ -95,5 +96,5 @@
 
 err:
-	printf(NAME ": Failed to register file system (%d)\n", rc);
+	printf(NAME ": Failed to register file system: %s\n", str_error(rc));
 	return rc;
 }