diff --git a/AugManaged.h b/AugManaged.h
index 2735c93..74ce297 100644
--- a/AugManaged.h
+++ b/AugManaged.h
@@ -1,4 +1,5 @@
 #include "AugFuncs.h"
+#include <string>
 
 #ifndef BLUEWEST_AUGEAS_MANAGEDAUG_H
 #define BLUEWEST_AUGEAS_MANAGEDAUG_H