1 files changed, 3 insertions, 1 deletions
diff --git a/src/config.h b/src/config.h
index 07fcdfb..dde989d 100644
--- a/src/config.h
+++ b/src/config.h
@@ -5,6 +5,9 @@
 
 #include "axis.h"
 
+/* Maximum length for a axis code. */
+#define RELABSD_CONF_AXIS_CODE_SIZE 2
+
 /* Number of options that can be configured. */
 #define RELABSD_OPTIONS_COUNT 3
 
@@ -15,7 +18,6 @@ enum relabsd_option
    RELABSD_FRAMED_OPTION
 };
 
-
 struct relabsd_config_axis
 {
 /* relabsd axis properties */