diff --git a/src/library/blast/forward/ematch.cpp b/src/library/blast/forward/ematch.cpp
index 4c4e07284..8e12a26fa 100644
--- a/src/library/blast/forward/ematch.cpp
+++ b/src/library/blast/forward/ematch.cpp
@@ -4,6 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 
 Author: Leonardo de Moura
 */
+#include <algorithm>
 #include "library/constants.h"
 #include "library/idx_metavar.h"
 #include "library/head_map.h"