diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorContraction.h b/unsupported/Eigen/CXX11/src/Tensor/TensorContraction.h
index f8ec0614f..56d9c2025 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorContraction.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorContraction.h
@@ -503,7 +503,7 @@ struct TensorContractionEvaluatorBase
 
           // call gebp (matrix kernel)
           // The parameters here are copied from Eigen's GEMM implementation
-          gebp(output.getSubMapper(i2, j2), blockA, blockB, actual_mc, actual_kc, actual_nc, 1.0, -1, -1, 0, 0);
+          gebp(output.getSubMapper(i2, j2), blockA, blockB, actual_mc, actual_kc, actual_nc, Scalar(1), -1, -1, 0, 0);
         }
       }
     }
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorContractionThreadPool.h b/unsupported/Eigen/CXX11/src/Tensor/TensorContractionThreadPool.h
index 73c48828c..300c37180 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorContractionThreadPool.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorContractionThreadPool.h
@@ -376,7 +376,7 @@ struct TensorEvaluator<const TensorContractionOp<Indices, LeftArgType, RightArgT
         const Index actual_mc = numext::mini(m_base_start + arg.mc, arg.max_m) - m_base_start;
         gebp(arg.output.getSubMapper(m_base_start, arg.n),
              (*arg.blockAs)[blockAId], arg.blockB,
-             actual_mc, arg.kc, arg.nc, 1.0, -1, -1, 0, 0);
+             actual_mc, arg.kc, arg.nc, Scalar(1), -1, -1, 0, 0);
 
         // Notify that the kernel is done.
         const Index set_idx = blockAId * arg.n_blocks + arg.n_block_idx;