1 files changed, 2 insertions, 0 deletions
diff --git a/src/data.h b/src/data.h
index ac87fea..c6e5571 100644
--- a/src/data.h
+++ b/src/data.h
@@ -341,12 +341,14 @@ struct rp_child_info
 #define RP_ALT_MASK     8
 #define RP_SUPER_MASK   16
 #define RP_HYPER_MASK   32
+#define RP_ALTGR_MASK   64
 
 struct modifier_info
 {
 /*   unsigned int mode_switch_mask; */
   unsigned int meta_mod_mask;
   unsigned int alt_mod_mask;
+  unsigned int altgr_mod_mask;
   unsigned int super_mod_mask;
   unsigned int hyper_mod_mask;