diff --git a/src/lib.nr b/src/lib.nr
index 7af9936..3972e5c 100644
--- a/src/lib.nr
+++ b/src/lib.nr
@@ -1,5 +1,5 @@
 struct Base64EncodeBE {
-    table: [u8; 128]
+    table: [u8; 256]
 }
 impl Base64EncodeBE {
     fn new() -> Self {
@@ -20,7 +20,11 @@ impl Base64EncodeBE {
                 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,// 65-90 (A-Z)
                 0, 0, 0, 0, 0, 0,// 91-96
                 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,// 97-122 (a-z)
-                0, 0, 0, 0, 0// 123-127
+                0, 0, 0, 0, 0,// 123-127
+                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
             ]
         }
     }