diff --git a/include/components/types.hpp b/include/components/types.hpp
index 8125d4b..c435f4a 100644
--- a/include/components/types.hpp
+++ b/include/components/types.hpp
@@ -57,7 +57,7 @@ enum class controltag {
   R,  // Reset all open tags (B, F, T, o, u). Used at module edges
 };

-enum class mousebtn { NONE = 0, LEFT, MIDDLE, RIGHT, SCROLL_UP, SCROLL_DOWN, DOUBLE_LEFT, DOUBLE_MIDDLE, DOUBLE_RIGHT };
+enum class mousebtn { NONE = 0, LEFT, MIDDLE, RIGHT, SCROLL_UP, SCROLL_DOWN, DOUBLE_LEFT, DOUBLE_MIDDLE, DOUBLE_RIGHT, EXTRA };

 enum class strut {
   LEFT = 0,