diff --git a/src/util_security.h b/src/util_security.h
index 044c535e..fbe6a5d6 100644
--- a/src/util_security.h
+++ b/src/util_security.h
@@ -37,6 +37,7 @@
 #define D_UTIL_SECURITY_H
 
 #include <string>
+#include <stdexcept>
 
 #include "common.h"
 #include "a2functional.h"