diff --git a/include/omath/Angle.hpp b/include/omath/Angle.hpp
index 4ae0dee..e5af33f 100644
--- a/include/omath/Angle.hpp
+++ b/include/omath/Angle.hpp
@@ -19,7 +19,7 @@ namespace omath
     class Angle
     {
         Type m_angle;
-        constexpr Angle(const Type& degrees)
+        constexpr explicit Angle(const Type& degrees)
         {
             if constexpr (flags == AngleFlags::Normalized)
                 m_angle = angles::WrapAngle(degrees, min, max);
diff --git a/include/omath/Matrix.hpp b/include/omath/Matrix.hpp
index 6e7e409..2f23e40 100644
--- a/include/omath/Matrix.hpp
+++ b/include/omath/Matrix.hpp
@@ -38,10 +38,7 @@ namespace omath
 
 
         [[nodiscard]]
-        float& operator[](size_t row, size_t column)
-        {
-            return At(row, column);
-        }
+        float& operator[](size_t row, size_t column);
 
         [[nodiscard]]
         size_t ColumnsCount() const noexcept;
diff --git a/source/Matrix.cpp b/source/Matrix.cpp
index b07dde4..f976f41 100644
--- a/source/Matrix.cpp
+++ b/source/Matrix.cpp
@@ -74,6 +74,11 @@ namespace omath
     {
         return m_rows;
     }
+    
+    float& Matrix::operator[](const size_t row, const size_t column)
+    {
+        return At(row, column);
+    }
 
     Matrix::Matrix(Matrix&& other) noexcept
     {