diff --git a/include/sys/dnode.h b/include/sys/dnode.h
index af8775b9ee..bae393eeba 100644
--- a/include/sys/dnode.h
+++ b/include/sys/dnode.h
@@ -616,7 +616,7 @@ _NOTE(CONSTCOND) } while (0)
 #else
 
 #define	dprintf_dnode(db, fmt, ...)
-#define	DNODE_VERIFY(dn)
+#define	DNODE_VERIFY(dn)		((void) sizeof ((uintptr_t)(dn)))
 #define	FREE_VERIFY(db, start, end, tx)
 
 #endif