diff --git a/games/trackballs/trackballs.info b/games/trackballs/trackballs.info
index 85727281de..02cafdef1e 100644
--- a/games/trackballs/trackballs.info
+++ b/games/trackballs/trackballs.info
@@ -5,6 +5,6 @@ DOWNLOAD="https://github.com/trackballs/trackballs/archive/v1.3.2/trackballs-1.3
 MD5SUM="85b128afca8b55d8e7ae02c21fa0427e"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
-REQUIRES="SDL2_mixer SDL2_image SDL2_ttf"
+REQUIRES="SDL2_mixer SDL2_image SDL2_ttf guile2.2"
 MAINTAINER="B. Watson"
 EMAIL="yalhcru@gmail.com"