diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index b862676de577cc2f3c801f77e4961a4b02c43f98..2651ec4fb62018420795a99871428c9bdb67e9ec 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -306,7 +306,7 @@ static int wil_debugfs_ulong_get(void *data, u64 *val)
 }
 
 DEFINE_SIMPLE_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get,
-			wil_debugfs_ulong_set, "%llu\n");
+			wil_debugfs_ulong_set, "0x%llx\n");
 
 static struct dentry *wil_debugfs_create_ulong(const char *name, umode_t mode,
 					       struct dentry *parent,