diff --git a/drivers/timer/stm32_timer.c b/drivers/timer/stm32_timer.c
index 215334f..e34f520 100644
--- a/drivers/timer/stm32_timer.c
+++ b/drivers/timer/stm32_timer.c
@@ -4,6 +4,8 @@
  * Author(s): Patrice Chotard, <patrice.chotard@foss.st.com> for STMicroelectronics.
  */
 
+#define LOG_CATEGORY UCLASS_TIMER
+
 #include <common.h>
 #include <clk.h>
 #include <dm.h>