diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorExecutor.h b/unsupported/Eigen/CXX11/src/Tensor/TensorExecutor.h
index d6e2ab1a2..faf965df8 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorExecutor.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorExecutor.h
@@ -11,7 +11,7 @@
 #define EIGEN_CXX11_TENSOR_TENSOR_EXECUTOR_H
 
 #ifdef EIGEN_USE_THREADS
-#include <future>"
+#include <future>
 #endif
 
 namespace Eigen {