diff --git a/lvgl_i2c/i2c_manager.c b/lvgl_i2c/i2c_manager.c
index 080d81a..fa8045a 100644
--- a/lvgl_i2c/i2c_manager.c
+++ b/lvgl_i2c/i2c_manager.c
@@ -133,7 +133,7 @@ esp_err_t I2C_FN(_init)(i2c_port_t port) {
 		I2C_FN(_mutex)[port] = xSemaphoreCreateMutex();
 
 		i2c_config_t conf = {0};
-		
+
 		#ifdef HAS_CLK_FLAGS
 			conf.clk_flags = 0;
 		#endif
@@ -168,7 +168,7 @@ esp_err_t I2C_FN(_init)(i2c_port_t port) {
 			ESP_LOGW(TAG, "If it was already open, we'll use it with whatever settings were used "
 			              "to open it. See I2C Manager README for details.");
 		} else {
-			ESP_LOGI(TAG, "Initialised port %d (SDA: %d, SCL: %d, speed: %d Hz.)",
+			ESP_LOGI(TAG, "Initialised port %d (SDA: %d, SCL: %d, speed: %lu Hz.)",
 					 port, conf.sda_io_num, conf.scl_io_num, conf.master.clk_speed);
 		}
 
@@ -186,7 +186,7 @@ esp_err_t I2C_FN(_read)(i2c_port_t port, uint16_t addr, uint32_t reg, uint8_t *b
     // May seem weird, but init starts with a check if it's needed, no need for that check twice.
 	I2C_FN(_init)(port);
 
-   	ESP_LOGV(TAG, "Reading port %d, addr 0x%03x, reg 0x%04x", port, addr, reg);
+   	ESP_LOGV(TAG, "Reading port %d, addr 0x%03x, reg 0x%04lx", port, addr, reg);
 
 	TickType_t timeout = 0;
 	#if defined (I2C_ZERO)
@@ -239,7 +239,7 @@ esp_err_t I2C_FN(_write)(i2c_port_t port, uint16_t addr, uint32_t reg, const uin
     // May seem weird, but init starts with a check if it's needed, no need for that check twice.
 	I2C_FN(_init)(port);
 
-    ESP_LOGV(TAG, "Writing port %d, addr 0x%03x, reg 0x%04x", port, addr, reg);
+    ESP_LOGV(TAG, "Writing port %d, addr 0x%03x, reg 0x%04lx", port, addr, reg);
 
 	TickType_t timeout = 0;
 	#if defined (I2C_ZERO)