diff --git a/ESP32-IDF_FreeRTOS/I2C_MultiDevice/main/hello_world_main.c b/ESP32-IDF_FreeRTOS/I2C_MultiDevice/main/hello_world_main.c
index 63ea683f1..fcc9d5ed8 100644
--- a/ESP32-IDF_FreeRTOS/I2C_MultiDevice/main/hello_world_main.c
+++ b/ESP32-IDF_FreeRTOS/I2C_MultiDevice/main/hello_world_main.c
@@ -73,8 +73,8 @@ void app_main(void)
         return;
     }
 
-    xQueue1 = xQueueCreate(10, sizeof(int));
-    xQueue2 = xQueueCreate(10, sizeof(int));
+    xQueue1 = xQueueCreate(10, sizeof(data));
+    xQueue2 = xQueueCreate(10, sizeof(data));
     if (xQueue1 == NULL || xQueue2 == NULL) {
         printf("Failed to create queues\n");
         return;