diff --git a/src/displayapp/screens/FirmwareUpdate.cpp b/src/displayapp/screens/FirmwareUpdate.cpp
index 0a8544b3..0e043097 100644
--- a/src/displayapp/screens/FirmwareUpdate.cpp
+++ b/src/displayapp/screens/FirmwareUpdate.cpp
@@ -16,18 +16,17 @@ FirmwareUpdate::FirmwareUpdate(Pinetime::Applications::DisplayApp* app, Pinetime
 
   titleLabel = lv_label_create(lv_scr_act(), nullptr);
   lv_label_set_text_static(titleLabel, "Firmware update");
-  lv_obj_set_auto_realign(titleLabel, true);
   lv_obj_align(titleLabel, nullptr, LV_ALIGN_IN_TOP_MID, 0, 50);
 
   bar1 = lv_bar_create(lv_scr_act(), nullptr);
   lv_obj_set_size(bar1, 200, 30);
   lv_obj_align(bar1, nullptr, LV_ALIGN_CENTER, 0, 0);
-  lv_bar_set_anim_time(bar1, 10);
-  lv_bar_set_range(bar1, 0, 100);
+  lv_bar_set_range(bar1, 0, 1000);
   lv_bar_set_value(bar1, 0, LV_ANIM_OFF);
 
   percentLabel = lv_label_create(lv_scr_act(), nullptr);
   lv_label_set_text_static(percentLabel, "Waiting...");
+  lv_label_set_recolor(percentLabel, true);
   lv_obj_set_auto_realign(percentLabel, true);
   lv_obj_align(percentLabel, bar1, LV_ALIGN_OUT_TOP_MID, 0, 60);
   taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
@@ -55,8 +54,9 @@ void FirmwareUpdate::Refresh() {
       }
       break;
     case Pinetime::Controllers::Ble::FirmwareUpdateStates::Running:
-      if (state != States::Running)
+      if (state != States::Running) {
         state = States::Running;
+      }
       DisplayProgression();
       break;
     case Pinetime::Controllers::Ble::FirmwareUpdateStates::Validated:
@@ -78,21 +78,20 @@ void FirmwareUpdate::Refresh() {
 }
 
 void FirmwareUpdate::DisplayProgression() const {
-  float current = bleController.FirmwareUpdateCurrentBytes() / 1024.0f;
-  float total = bleController.FirmwareUpdateTotalBytes() / 1024.0f;
-  int16_t pc = (current / total) * 100.0f;
-  lv_label_set_text_fmt(percentLabel, "%d %%", pc);
+  const uint32_t current = bleController.FirmwareUpdateCurrentBytes();
+  const uint32_t total = bleController.FirmwareUpdateTotalBytes();
+  const int16_t permille = current / (total / 1000);
 
-  lv_bar_set_value(bar1, pc, LV_ANIM_OFF);
+  lv_label_set_text_fmt(percentLabel, "%d %%", permille / 10);
+
+  lv_bar_set_value(bar1, permille, LV_ANIM_OFF);
 }
 
 void FirmwareUpdate::UpdateValidated() {
-  lv_label_set_recolor(percentLabel, true);
   lv_label_set_text_static(percentLabel, "#00ff00 Image Ok!#");
 }
 
 void FirmwareUpdate::UpdateError() {
-  lv_label_set_recolor(percentLabel, true);
   lv_label_set_text_static(percentLabel, "#ff0000 Error!#");
   startTime = xTaskGetTickCount();
 }