diff --git a/tests/unit/mathematics/linalg/operations/Eigen3_operations_unittest.cc b/tests/unit/mathematics/linalg/operations/Eigen3_operations_unittest.cc
index 155e383daeb..d23ae0bd251 100644
--- a/tests/unit/mathematics/linalg/operations/Eigen3_operations_unittest.cc
+++ b/tests/unit/mathematics/linalg/operations/Eigen3_operations_unittest.cc
@@ -427,7 +427,7 @@ TEST(LinalgBackendEigen, SGMatrix_matrix_product_in_place)
 	for (index_t i = 0; i < dim1*dim2; ++i)
 		A[i] = i;
 	for (index_t i = 0; i < dim2*dim3; ++i)
-		B[i] = 0.5*i;
+		B[i] = 0.5 * i;
 	cal.zero();
 
 	linalg::matrix_prod(A, B, cal);
diff --git a/tests/unit/mathematics/linalg/operations/Viennacl_operations_unittest.cc b/tests/unit/mathematics/linalg/operations/Viennacl_operations_unittest.cc
index aeb95b783d9..6dd540b0d6b 100644
--- a/tests/unit/mathematics/linalg/operations/Viennacl_operations_unittest.cc
+++ b/tests/unit/mathematics/linalg/operations/Viennacl_operations_unittest.cc
@@ -335,7 +335,7 @@ TEST(LinalgBackendViennaCL, SGMatrix_matrix_product_in_place)
 	for (index_t i = 0; i < dim1*dim2; ++i)
 		A[i] = i;
 	for (index_t i = 0; i < dim2*dim3; ++i)
-		B[i] = 2*i;
+		B[i] = 0.5 * i;
 	cal.zero();
 
 	to_gpu(A, A_gpu);