diff --git a/drivers/i2c/i2c-stub.c b/drivers/i2c/i2c-stub.c
index 8b0900147f96..4a9ad91c5ba3 100644
--- a/drivers/i2c/i2c-stub.c
+++ b/drivers/i2c/i2c-stub.c
@@ -15,7 +15,7 @@
     GNU General Public License for more details.
 */
 
-#define DEBUG
+#define DEBUG 1
 #define pr_fmt(fmt) "i2c-stub: " fmt
 
 #include <linux/errno.h>