diff --git a/paddle/fluid/operators/cross_entropy_op.cc b/paddle/fluid/operators/cross_entropy_op.cc
index 3adc7baebddd06ced74afea1e77017beb57582e8..200bc825e030688923e0ce22552266b1b35f948f 100644
--- a/paddle/fluid/operators/cross_entropy_op.cc
+++ b/paddle/fluid/operators/cross_entropy_op.cc
@@ -14,6 +14,7 @@ limitations under the License. */
 
 #include "paddle/fluid/operators/cross_entropy_op.h"
 #include <string>
+#include <unordered_map>
 
 namespace paddle {
 namespace operators {