diff --git a/jwt/private/utils.nim b/jwt/private/utils.nim
index 6d255ab..c76ef5d 100644
--- a/jwt/private/utils.nim
+++ b/jwt/private/utils.nim
@@ -15,7 +15,7 @@ proc checkKeysExists*(node: JsonNode, keys: varargs[string]) =
       raise newException(KeyError, "$# is not present." % key)
 
 proc encodeUrlSafe*(s: openarray[byte]): string =
-  when NimMajor >= 1 and (NimMinor >= 1 or NimPatch >= 2):
+  when (NimMajor >= 1 and (NimMinor >= 1 or NimPatch >= 2)) or NimMajor >= 2:
     result = base64.encode(s)
   else:
     result = base64.encode(s, newLine="")