diff --git a/cpu/ezr32wg/periph/timer.c b/cpu/ezr32wg/periph/timer.c
index f273cdad93..a5506ac96b 100644
--- a/cpu/ezr32wg/periph/timer.c
+++ b/cpu/ezr32wg/periph/timer.c
@@ -135,4 +135,4 @@ void TIMER_0_ISR(void)
     }
     cortexm_isr_end();
 }
-#endif /* TIMER_0_EN */
+#endif /* TIMER_0_ISR */