diff --git a/include/sys/zrlock.h b/include/sys/zrlock.h
index b6eba1a18f..c8c656dc55 100644
--- a/include/sys/zrlock.h
+++ b/include/sys/zrlock.h
@@ -34,9 +34,8 @@ extern "C" {
 
 typedef struct zrlock {
 	kmutex_t zr_mtx;
-	volatile int32_t zr_refcount;
 	kcondvar_t zr_cv;
-	uint16_t zr_pad;
+	volatile int32_t zr_refcount;
 #ifdef	ZFS_DEBUG
 	kthread_t *zr_owner;
 	const char *zr_caller;