diff --git a/.vscode/tasks.json b/.vscode/tasks.json
index 2fb2e9c..5428d5c 100644
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -4,7 +4,7 @@
 		{
 			"type": "shell",
 			"label": "build",
-            "command": "make debug", 
+            "command": "make", 
 			"group": "build",
 			"detail": "compiler: /usr/bin/gcc"
 		}
diff --git a/src/include/timer_utils.h b/src/include/timer_utils.h
index 791d904..69d309f 100644
--- a/src/include/timer_utils.h
+++ b/src/include/timer_utils.h
@@ -14,7 +14,7 @@ void tmr_timerOverflow();
 
 void tmr_initTimer(tmr_ctx *ctx);
 
-void *tmr_handleTimerOverflow(sigval_t *timer_context);
+void *tmr_handleTimerOverflow(void *timer_context);
 
 int tmr_callEveryMs(void (*func)(void));
 
diff --git a/src/main.c b/src/main.c
index cd9ad20..69599e7 100644
--- a/src/main.c
+++ b/src/main.c
@@ -5,11 +5,10 @@
 #include "ftdi_utils.h"
 #include "timer_utils.h"
 
-
-static uint64_t counter =0;
+static uint64_t counter = 0;
 void test(void)
 {
-	printf("%lu\n",counter);
+	printf("%lu\n", counter);
 	counter++;
 }
 
diff --git a/src/timer_utils.c b/src/timer_utils.c
index c8fd543..128c19a 100644
--- a/src/timer_utils.c
+++ b/src/timer_utils.c
@@ -7,47 +7,45 @@
 #include "time_scales.h"
 #include "timer_utils.h"
 
-static tmr_ctx timer_context;
-
 void tmr_timerOverflow()
 {
 }
 
 void tmr_initTimer(tmr_ctx *ctx)
 {
-	timer_context.sevp = (struct sigevent){
+	ctx->sevp = (struct sigevent){
 		.sigev_notify = SIGEV_THREAD,
 		.sigev_notify_function = tmr_handleTimerOverflow,
 		.sigev_value.sival_ptr = ctx,
 	};
 
-	timer_create(CLOCK_MONOTONIC, &timer_context.sevp, &ctx->timerid);
-	clock_gettime(CLOCK_MONOTONIC, &timer_context.times.it_value);
-	tmr_add_ns_to_current_time(&timer_context.times, timer_context.interval);
-	timer_settime(timer_context.timerid, TIMER_ABSTIME, &timer_context.times, NULL);
+	timer_create(CLOCK_MONOTONIC, &ctx->sevp, &ctx->timerid);
+	clock_gettime(CLOCK_MONOTONIC, &ctx->times.it_value);
+	tmr_add_ns_to_current_time(&ctx->times, ctx->interval);
+	timer_settime(ctx->timerid, TIMER_ABSTIME, &ctx->times, NULL);
 }
 
-void *tmr_handleTimerOverflow(sigval_t *ctx)
+void *tmr_handleTimerOverflow(void *ctx_par)
 {
+	tmr_ctx *ctx = (tmr_ctx *)ctx_par;
+	ctx->funcToBeCalled();
 
-		timer_context.funcToBeCalled();
-
-
-	tmr_add_ns_to_current_time(&timer_context.times, timer_context.interval);
-	timer_settime(timer_context.timerid, TIMER_ABSTIME, &timer_context.times, NULL);
+	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))
 {
-	timer_context.interval = 1000000;
-	timer_context.funcToBeCalled = func;
+	tmr_ctx *tmr = malloc(sizeof(tmr_ctx));
+	tmr->interval = 1000000;
+	tmr->funcToBeCalled = func;
 
 	if (!func)
 		return -1;
 
-	tmr_initTimer(&timer_context);
+	tmr_initTimer(tmr);
 
 	return 0;
 }