Fix integrate linear for face path

diff --git a/include/deal.II/matrix_free/tensor_product_kernels.h b/include/deal.II/matrix_free/tensor_product_kernels.h
index 1c10a2043387b7c36ff092266cca8c5e309a996f..9e8f7a36642fec139e92ab97143f1b77ae094b68 100644 (file)
--- a/include/deal.II/matrix_free/tensor_product_kernels.h
+++ b/include/deal.II/matrix_free/tensor_product_kernels.h
@@ -3122,7 +3122,7 @@ namespace internal
           {
             const Number2 test_value_y1_2 = value[1] * p[1];
             const Number2 test_value_y0_2 = value[1] - test_value_y1_2;
-            const Number2 value0_2        = p[0] * test_value_y1_2;
+            const Number2 value0_2        = p[0] * test_value_y0_2;
             const Number2 value1_2        = p[0] * test_value_y1_2;
 
             if (add)