diff --git a/profiler_gui/graphics_scrollbar.cpp b/profiler_gui/graphics_scrollbar.cpp
index acd068e..7d7871d 100644
--- a/profiler_gui/graphics_scrollbar.cpp
+++ b/profiler_gui/graphics_scrollbar.cpp
@@ -268,7 +268,7 @@ void GraphicsHistogramItem::paintByPtr(QPainter* _painter)
     }
 
     _painter->setPen(profiler_gui::TEXT_COLOR);
-    const auto eventsCount = m_pProfilerThread->events.size();
+    const auto eventsCount = static_cast<uint64_t>(m_pProfilerThread->events.size());
     const auto blocksCount = m_pProfilerThread->blocks_number - eventsCount;
 
     QString durationsStr;
diff --git a/profiler_gui/tree_widget_loader.cpp b/profiler_gui/tree_widget_loader.cpp
index f658fa8..3e043ea 100644
--- a/profiler_gui/tree_widget_loader.cpp
+++ b/profiler_gui/tree_widget_loader.cpp
@@ -450,7 +450,7 @@ void TreeWidgetLoader::setTreeInternalTop(
             "Please, reduce selected area width\n"
             "or increase maximum count in settings\n"
             "or change the tree mode."
-        ).arg(profiler_gui::shortenCountString(_maxCount))
+        ).arg(profiler_gui::shortenCountString(static_cast<uint64_t>(_maxCount)))
             .arg(profiler_gui::shortenCountString(total_count))
             .arg(profiler_gui::percent(total_count, _maxCount));
         setDone();