diff --git a/shard.yml b/shard.yml
index c8ec5807..6c125d7d 100644
--- a/shard.yml
+++ b/shard.yml
@@ -19,6 +19,6 @@ dependencies:
     github: detectlanguage/detectlanguage-crystal
     branch: master
 
-crystal: 0.25.0
+crystal: 0.25.1
 
 license: AGPLv3
diff --git a/src/invidious/helpers.cr b/src/invidious/helpers.cr
index c62af35f..d8aae2c9 100644
--- a/src/invidious/helpers.cr
+++ b/src/invidious/helpers.cr
@@ -301,12 +301,10 @@ def decrypt_signature(a)
   a = a.split("")
 
   a.reverse!
-  a = splice(a, 20)
+  a.delete_at(0..2)
+  a = splice(a, 23)
+  a = splice(a, 44)
   a.reverse!
-  a = splice(a, 10)
-  a.delete_at(0..0)
-  a = splice(a, 37)
-  a = splice(a, 32)
   a.delete_at(0..2)
 
   return a.join("")