diff --git a/src/operators/math/gemm.h b/src/operators/math/gemm.h
index 99c68de7c34cf6300625cbc1cee3c2b388ffb517..b6af1c838d337fb84aae58e1531ab0acb07f7bea 100644
--- a/src/operators/math/gemm.h
+++ b/src/operators/math/gemm.h
@@ -13,6 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License. */
 
 #pragma once
+#include <cstring>
 #include <string>
 #include "common/log.h"
 #include "memory/t_malloc.h"