diff --git a/src/helper/command.h b/src/helper/command.h
index 5fc0a283e..07f3c2990 100644
--- a/src/helper/command.h
+++ b/src/helper/command.h
@@ -23,6 +23,8 @@
 #ifndef COMMAND_H
 #define COMMAND_H
 
+#include "types.h"
+
 /* Integrate the JIM TCL interpretor into the command processing. */
 #if BUILD_ECOSBOARD
 #include <stdio.h>