diff --git a/.clang-tidy b/.clang-tidy
index 5adb402..7413cfb 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -1,2 +1,2 @@
-Checks:              'modernize-*,-modernize-use-nodiscard,-modernize-use-trailing-return-type,cppcoreguidelines-*,bugprone-*,-cppcoreguidelines-non-private-member-variables-in-classes,-cppcoreguidelines-avoid-magic-numbers,-cppcoreguidelines-pro-bounds-*,-readability-convert-member-functions-to-static'
-#WarningsAsErrors: '*'
+Checks:              'modernize-*,-modernize-use-nodiscard,-modernize-use-trailing-return-type,cppcoreguidelines-*,bugprone-*,-cppcoreguidelines-non-private-member-variables-in-classes,-cppcoreguidelines-avoid-magic-numbers,-cppcoreguidelines-avoid-non-const-global-variables,-cppcoreguidelines-owning-memory,-cppcoreguidelines-pro-bounds-*,-readability-convert-member-functions-to-static'
+WarningsAsErrors: '*'
diff --git a/lib/Canvas.cpp b/lib/Canvas.cpp
index c260e09..a58b46c 100644
--- a/lib/Canvas.cpp
+++ b/lib/Canvas.cpp
@@ -20,8 +20,8 @@ Canvas::Canvas()
   // Then project it on a scaled window - on some mac we get the
   // scaling factor of the window to adjust the resolution
   const auto scale = scaling_factor_for_window(window.getSystemHandle());
-  const auto width = (viewDimensions().width / 2) * scale;
-  const auto height = (viewDimensions().height / 2) * scale;
+  const auto width = (viewDimensions().width / 2.0) * scale;
+  const auto height = (viewDimensions().height / 2.2) * scale;
   window.setSize(sf::Vector2u(unsigned(width), unsigned(height)));
 
   maze_texture = loadTexture("maze.png");