diff --git a/src/Math/Matrix.h b/src/Math/Matrix.h
index 1afc00846..d1ca9b4a2 100644
--- a/src/Math/Matrix.h
+++ b/src/Math/Matrix.h
@@ -256,7 +256,7 @@ template<size_t size, class T> class Matrix {
 };
 
 /** @debugoperator{Matrix} */
-template<class T, size_t size> Corrade::Utility::Debug operator<<(Corrade::Utility::Debug debug, const Magnum::Math::Matrix<size, T>& value) {
+template<size_t size, class T> Corrade::Utility::Debug operator<<(Corrade::Utility::Debug debug, const Magnum::Math::Matrix<size, T>& value) {
     debug << "Matrix(";
     debug.setFlag(Corrade::Utility::Debug::SpaceAfterEachValue, false);
     for(size_t row = 0; row != size; ++row) {
diff --git a/src/Math/Vector.h b/src/Math/Vector.h
index 29413e124..a2714007c 100644
--- a/src/Math/Vector.h
+++ b/src/Math/Vector.h
@@ -440,7 +440,7 @@ template<size_t size, class T, class U> Vector<size, T> operator/(U number, cons
 }
 
 /** @debugoperator{Vector} */
-template<class T, size_t size> Corrade::Utility::Debug operator<<(Corrade::Utility::Debug debug, const Magnum::Math::Vector<size, T>& value) {
+template<size_t size, class T> Corrade::Utility::Debug operator<<(Corrade::Utility::Debug debug, const Magnum::Math::Vector<size, T>& value) {
     debug << "Vector(";
     debug.setFlag(Corrade::Utility::Debug::SpaceAfterEachValue, false);
     for(size_t i = 0; i != size; ++i) {