diff --git a/main/ota.c b/main/ota.c
index f67ab92a..695e2d6d 100644
--- a/main/ota.c
+++ b/main/ota.c
@@ -43,7 +43,9 @@ void ota_task(void *data)
     pt_new = esp_ota_get_next_update_partition(NULL);
 
     if (pt_boot != pt_cur) {
-        ESP_LOGW(TAG, "boot partition (offset='0x%08lu') does not match running partition (offset='0x%08lu')",
+        ESP_LOGW(TAG,
+                 "boot partition (offset='0x%08" PRIu32 "') does not match running partition (offset='0x%08" PRIu32
+                 "')",
                  pt_boot->address, pt_cur->address);
     }
 
diff --git a/main/system.c b/main/system.c
index ba3c2f98..de251db9 100644
--- a/main/system.c
+++ b/main/system.c
@@ -86,10 +86,10 @@ void restart_delayed(void)
         delay = 6;
     }
 
-    ESP_LOGI(TAG, "restarting after %lu seconds", delay);
+    ESP_LOGI(TAG, "restarting after %" PRIu32 " seconds", delay);
 
     if (lvgl_port_lock(lvgl_lock_timeout)) {
-        lv_label_set_text_fmt(lbl_ln4, "Restarting in %lu seconds", delay);
+        lv_label_set_text_fmt(lbl_ln4, "Restarting in %" PRIu32 " seconds", delay);
         lv_obj_clear_flag(lbl_ln4, LV_OBJ_FLAG_HIDDEN);
         lvgl_port_unlock();
     }
diff --git a/main/was.c b/main/was.c
index 193bffbe..9d3f4ee0 100644
--- a/main/was.c
+++ b/main/was.c
@@ -343,7 +343,7 @@ static void IRAM_ATTR cb_ws_event(const void *arg_evh, const esp_event_base_t *b
             init_was();
             break;
         default:
-            ESP_LOGD(TAG, "unhandled WebSocket event - ID: %lu", id_ev);
+            ESP_LOGD(TAG, "unhandled WebSocket event - ID: %" PRIu32, id_ev);
             break;
     }
 }