1 files changed, 1 insertions, 0 deletions
diff --git a/keysym.h b/keysym.h
index a90c506..785fed3 100644
--- a/keysym.h
+++ b/keysym.h
@@ -69,6 +69,7 @@ SOFTWARE.
 #define XK_GEORGIAN
 #define XK_VIETNAMESE
 #define XK_CURRENCY
+#define XK_MATHEMATICAL
 
 #include <X11/keysymdef.h>