diff --git a/server/TracyView.cpp b/server/TracyView.cpp
index ccea8645..16305d9d 100755
--- a/server/TracyView.cpp
+++ b/server/TracyView.cpp
@@ -1191,7 +1191,7 @@ int View::DrawZoneLevel( const Vector<Event*>& vec, bool hover, double pxns, con
                 const auto px0 = std::max( pr0, -10.0 );
                 const auto px1 = std::min( pr1, double( w + 10 ) );
                 draw->AddRectFilled( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + tsz.y ), color, 2.f );
-                draw->AddRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + tsz.y ), GetZoneHighlight( ev ), 2.f );
+                draw->AddRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + tsz.y ), GetZoneHighlight( ev ), 2.f, -1, GetZoneThickness( ev ) );
                 if( dsz * dmul >= MinVisSize )
                 {
                     draw->AddRectFilled( wpos + ImVec2( pr0, offset ), wpos + ImVec2( std::min( pr0+dsz*dmul, pr1 ), offset + tsz.y ), 0x882222DD, 2.f );
@@ -1382,6 +1382,18 @@ uint32_t View::GetZoneHighlight( const Event& ev )
     }
 }
 
+float View::GetZoneThickness( const Event& ev )
+{
+    if( m_zoneInfoWindow == &ev || m_zoneHighlight == &ev )
+    {
+        return 3.f;
+    }
+    else
+    {
+        return 1.f;
+    }
+}
+
 void View::ZoomToZone( const Event& ev )
 {
     if( ev.end - ev.start <= 0 ) return;
diff --git a/server/TracyView.hpp b/server/TracyView.hpp
index ce18c5f7..f5137823 100755
--- a/server/TracyView.hpp
+++ b/server/TracyView.hpp
@@ -88,6 +88,7 @@ private:
     void DrawZoneInfoWindow();
 
     uint32_t GetZoneHighlight( const Event& ev );
+    float GetZoneThickness( const Event& ev );
     void ZoomToZone( const Event& ev );
     void ZoneTooltip( const Event& ev );