diff --git a/src/maxsonarez/maxsonarez.cxx b/src/maxsonarez/maxsonarez.cxx
index 1dd010cc..51224662 100644
--- a/src/maxsonarez/maxsonarez.cxx
+++ b/src/maxsonarez/maxsonarez.cxx
@@ -23,6 +23,8 @@
  */
 
 #include <iostream>
+#include <string>
+#include <stdexcept>
 
 #include "maxsonarez.h"