diff --git a/examples/simple/main.c b/examples/simple/main.c
index 433013b..a9dcded 100644
--- a/examples/simple/main.c
+++ b/examples/simple/main.c
@@ -10,10 +10,11 @@ void task1(void *pvParameters)
 {
     xQueueHandle *queue = (xQueueHandle *)pvParameters;
     printf("Hello from task1!\r\n");
+    uint32_t count = 0;
     while(1) {
-	char msg = 'c';
 	vTaskDelay(100);
-	xQueueSend(*queue, &msg, 0);
+	xQueueSend(*queue, &count, 0);
+	count++;
     }
 }
 
@@ -22,9 +23,9 @@ void task2(void *pvParameters)
     printf("Hello from task 2!\r\n");
     xQueueHandle *queue = (xQueueHandle *)pvParameters;
     while(1) {
-	char msg;
-	if(xQueueReceive(*queue, &msg, 1000)) {
-	    printf("Got %c\n", msg);
+	uint32_t count;
+	if(xQueueReceive(*queue, &count, 1000)) {
+	    printf("Got %d\n", count);
 	} else {
 	    printf("No msg :(\n");
 	}
@@ -37,7 +38,7 @@ void user_init(void)
 {
     uart_div_modify(0, UART_CLK_FREQ / 115200);
     printf("SDK version:%s\n", system_get_sdk_version());
-    mainqueue = xQueueCreate(10, 1);
+    mainqueue = xQueueCreate(10, sizeof(uint32_t));
     xTaskCreate(task1, (signed char *)"tsk1", 256, &mainqueue, 2, NULL);
     xTaskCreate(task2, (signed char *)"tsk2", 256, &mainqueue, 2, NULL);
 }