diff --git a/src/math.f90 b/src/math.f90
index 1740ebdb7..f2c0303da 100644
--- a/src/math.f90
+++ b/src/math.f90
@@ -274,6 +274,7 @@ pure function math_identity2nd(dimen)
 
 end function math_identity2nd
 
+
 !--------------------------------------------------------------------------------------------------
 !> @brief symmetric fourth rank identity tensor of specified dimension
 !  from http://en.wikipedia.org/wiki/Tensor_derivative_(continuum_mechanics)#Derivative_of_a_second-order_tensor_with_respect_to_itself
@@ -626,6 +627,7 @@ pure function math_skew33(m)
 
 end function math_skew33
 
+
 !--------------------------------------------------------------------------------------------------
 !> @brief hydrostatic part of a 33 matrix
 !--------------------------------------------------------------------------------------------------