diff --git a/src/math/bounding_box.cpp b/src/math/bounding_box.cpp
index 41cae906..650b434a 100755
--- a/src/math/bounding_box.cpp
+++ b/src/math/bounding_box.cpp
@@ -2,6 +2,7 @@
 
 #include <glm/common.hpp>
 #include <math/bounding_box.hpp>
+#include <noggit/Misc.h>
 
 namespace
 {
diff --git a/src/math/ray.hpp b/src/math/ray.hpp
index 36c14328..25f22f1b 100755
--- a/src/math/ray.hpp
+++ b/src/math/ray.hpp
@@ -13,7 +13,7 @@ namespace math
     {
       if (std::isnan(_direction.x) || std::isnan(_direction.y) || std::isnan(_direction.z)) 
       {
-        std::cout << "Vector contains NaN values!" << std::endl;
+        assert(false);
       }
     }
 
diff --git a/src/noggit/ui/tools/LightEditor/LightEditor.hpp b/src/noggit/ui/tools/LightEditor/LightEditor.hpp
index d3878149..b2e745e9 100755
--- a/src/noggit/ui/tools/LightEditor/LightEditor.hpp
+++ b/src/noggit/ui/tools/LightEditor/LightEditor.hpp
@@ -49,6 +49,8 @@ namespace Noggit::Ui::Tools
 
 	static std::unordered_map <int, std::string> light_names_map;
 
+	class LightEditor;
+
 	class LightningInfoDialog : public QWidget
 	{
 		Q_OBJECT