diff --git a/include/Nazara/Math/Box.inl b/include/Nazara/Math/Box.inl
index 7d3c0b9d1..806bba7e8 100644
--- a/include/Nazara/Math/Box.inl
+++ b/include/Nazara/Math/Box.inl
@@ -464,7 +464,7 @@ namespace Nz
 		T up = std::max(z, box.z);
 		T down = std::min(z + depth, box.z + box.depth);
 
-		if (left >= right || top >= bottom || up >= down)
+		if (left > right || top > bottom || up > down)
 			return false;
 
 		if (intersection)
diff --git a/include/Nazara/Math/Rect.inl b/include/Nazara/Math/Rect.inl
index d81ffaf55..77c70f322 100644
--- a/include/Nazara/Math/Rect.inl
+++ b/include/Nazara/Math/Rect.inl
@@ -366,12 +366,10 @@ namespace Nz
 	{
 		T left = std::max(x, rect.x);
 		T right = std::min(x + width, rect.x + rect.width);
-		if (left >= right)
-			return false;
-
 		T top = std::max(y, rect.y);
 		T bottom = std::min(y + height, rect.y + rect.height);
-		if (top >= bottom)
+
+		if (left > right || top > bottom)
 			return false;
 
 		if (intersection)