diff --git a/sys/nfs41_driver.c b/sys/nfs41_driver.c
index 815246d..8436f33 100644
--- a/sys/nfs41_driver.c
+++ b/sys/nfs41_driver.c
@@ -52,6 +52,7 @@
 //#define DEBUG_MISC
 #define DEBUG_TIME_BASED_COHERENCY
 //#define DEBUG_MOUNT
+//#define DEBUG_VOLUME_QUERY
 
 //#define ENABLE_TIMINGS
 //#define ENABLE_INDV_TIMINGS