diff --git a/cmds/dumpstate/DumpstateInternal.cpp b/cmds/dumpstate/DumpstateInternal.cpp
index 0343277..0b42647 100644
--- a/cmds/dumpstate/DumpstateInternal.cpp
+++ b/cmds/dumpstate/DumpstateInternal.cpp
@@ -18,6 +18,7 @@
 
 #include "DumpstateInternal.h"
 
+#include <errno.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>