1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 592f7edc671e..181f41cb960b 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -727,7 +727,7 @@ int w1_attach_slave_device(struct w1_master *dev, struct w1_reg_num *rn)
 
         /* slave modules need to be loaded in a context with unlocked mutex */
         mutex_unlock(&dev->mutex);
-        request_module("w1-family-0x%0x", rn->family);
+        request_module("w1-family-0x%02x", rn->family);
         mutex_lock(&dev->mutex);
 
         spin_lock(&w1_flock);