diff --git a/cpu/arm/stm32l152/clock.c b/cpu/arm/stm32l152/clock.c
index a38248de7..57ed8eba4 100644
--- a/cpu/arm/stm32l152/clock.c
+++ b/cpu/arm/stm32l152/clock.c
@@ -95,10 +95,10 @@ void clock_delay(unsigned int i)
 /**
  * Wait for a multiple of clock ticks (7.8 ms at 128 Hz).
  */
-void clock_wait(clock_time_t i)
+void clock_wait(clock_time_t t)
 {
   clock_time_t start;
   start = clock_time();
-  while(clock_time() - start < (clock_time_t)i);
+  while(clock_time() - start < (clock_time_t)t);
 }
 /*---------------------------------------------------------------------------*/