1 files changed, 3 insertions, 1 deletions
diff --git a/bench/benchmarkSlice.cpp b/bench/benchmarkSlice.cpp
index 8c3d4dd10..3d04b6fd5 100644
--- a/bench/benchmarkSlice.cpp
+++ b/bench/benchmarkSlice.cpp
@@ -1,6 +1,8 @@
 // g++ -O3 -DNDEBUG benchmarkX.cpp -o benchmarkX && time ./benchmarkX
 
-#include <Eigen/Array>
+#include <iostream>
+
+#include <Eigen/Core>
 
 using namespace std;
 using namespace Eigen;