1 files changed, 1 insertions, 2 deletions
diff --git a/jwt/api_jwt.py b/jwt/api_jwt.py
index fd8a8bf..5664949 100644
--- a/jwt/api_jwt.py
+++ b/jwt/api_jwt.py
@@ -265,9 +265,8 @@ class PyJWT:
         now: float,
         leeway: float,
     ) -> None:
-        iat = payload["iat"]
         try:
-            int(iat)
+            iat = int(payload["iat"])
         except ValueError:
             raise InvalidIssuedAtError("Issued At claim (iat) must be an integer.")
         if iat > (now + leeway):