diff --git a/src/lib/mathlib/math/Matrix.hpp b/src/lib/mathlib/math/Matrix.hpp
index 0941f4b7b545..ce27ccfcc3de 100644
--- a/src/lib/mathlib/math/Matrix.hpp
+++ b/src/lib/mathlib/math/Matrix.hpp
@@ -305,7 +305,7 @@ class __EXPORT MatrixBase
 	 * transpose the matrix
 	 */
 	Matrix<N, M> transposed(void) const {
-		matrix::Matrix<float, N, M> Me(this->arm_mat.pData);
+		matrix::Matrix<float, M, N> Me(this->arm_mat.pData);
 		Matrix<N, M> res(Me.transpose().data());
 		return res;
 	}