diff --git a/aoc2023/src/main/java/io/github/zebalu/aoc2023/days/Day20.java b/aoc2023/src/main/java/io/github/zebalu/aoc2023/days/Day20.java
index 4be14f8..9840f1b 100644
--- a/aoc2023/src/main/java/io/github/zebalu/aoc2023/days/Day20.java
+++ b/aoc2023/src/main/java/io/github/zebalu/aoc2023/days/Day20.java
@@ -54,7 +54,7 @@ private static long gcf(long a, long b) {
         if (b == 0) {
             return a;
         } else {
-            return (gcf(b, a % b));
+            return gcf(b, a % b);
         }
     }