diff --git a/src/include/timer_utils.h b/src/include/timer_utils.h
index 69d309f..5efcc44 100644
--- a/src/include/timer_utils.h
+++ b/src/include/timer_utils.h
@@ -10,12 +10,7 @@ typedef struct
 	void (*funcToBeCalled)(void);
 } tmr_ctx;
 
-void tmr_timerOverflow();
-
 void tmr_initTimer(tmr_ctx *ctx);
-
-void *tmr_handleTimerOverflow(void *timer_context);
-
+void tmr_handleTimerOverflow(union sigval);
 int tmr_callEveryMs(void (*func)(void));
-
 void tmr_add_ns_to_current_time(struct itimerspec *current, long usecs);
\ No newline at end of file
diff --git a/src/timer_utils.c b/src/timer_utils.c
index 128c19a..d31bbf5 100644
--- a/src/timer_utils.c
+++ b/src/timer_utils.c
@@ -7,10 +7,6 @@
 #include "time_scales.h"
 #include "timer_utils.h"
 
-void tmr_timerOverflow()
-{
-}
-
 void tmr_initTimer(tmr_ctx *ctx)
 {
 	ctx->sevp = (struct sigevent){
@@ -25,15 +21,13 @@ void tmr_initTimer(tmr_ctx *ctx)
 	timer_settime(ctx->timerid, TIMER_ABSTIME, &ctx->times, NULL);
 }
 
-void *tmr_handleTimerOverflow(void *ctx_par)
+void tmr_handleTimerOverflow(sigval_t ctx_par)
 {
-	tmr_ctx *ctx = (tmr_ctx *)ctx_par;
+	tmr_ctx *ctx = (tmr_ctx *)ctx_par.sival_ptr;
 	ctx->funcToBeCalled();
 
 	tmr_add_ns_to_current_time(&ctx->times, ctx->interval);
 	timer_settime(ctx->timerid, TIMER_ABSTIME, &ctx->times, NULL);
-
-	return (void *)0;
 }
 
 int tmr_callEveryMs(void (*func)(void))