1 files changed, 2 insertions, 0 deletions
diff --git a/utils/synutils/utility.h b/utils/synutils/utility.h
index 791b2286..ef7b78b7 100644
--- a/utils/synutils/utility.h
+++ b/utils/synutils/utility.h
@@ -13,6 +13,8 @@
 #include <assert.h>
 #include <stdlib.h>
 #include <string.h>
+
+#include <string>
 #include <unordered_map>
 
 using namespace std;