diff --git a/binaries/data/mods/public/maps/rmlibrary.js b/binaries/data/mods/public/maps/rmlibrary.js
index 7367d8df4b..06f75c9a81 100644
--- a/binaries/data/mods/public/maps/rmlibrary.js
+++ b/binaries/data/mods/public/maps/rmlibrary.js
@@ -60,7 +60,7 @@ function sin(x) {
 }
 
 function tan(x) {
-	return Math.sin(x);
+	return Math.tan(x);
 }
 
 function abs(x) {