diff --git a/Auth0/IDTokenSignatureValidator.swift b/Auth0/IDTokenSignatureValidator.swift
index 4cda4df0..449e5d08 100644
--- a/Auth0/IDTokenSignatureValidator.swift
+++ b/Auth0/IDTokenSignatureValidator.swift
@@ -46,8 +46,8 @@ struct IDTokenSignatureValidator: JWTAsyncValidator {
                     }
                     algorithm.verify(jwt, using: jwk) ? callback(nil) : callback(ValidationError.invalidSignature)
                 case .failure: callback(ValidationError.missingPublicKey(kid: kid))
+                }
             }
-        }
     }
 
     private func validateAlg(_ jwt: JWT) -> Auth0Error? {
diff --git a/Auth0/OAuth2Grant.swift b/Auth0/OAuth2Grant.swift
index 63dd2ea7..d878ebbd 100644
--- a/Auth0/OAuth2Grant.swift
+++ b/Auth0/OAuth2Grant.swift
@@ -90,8 +90,8 @@ struct PKCE: OAuth2Grant {
                         }
                         callback(.success(credentials))
                     }
+                }
             }
-        }
     }
 
     func values(fromComponents components: URLComponents) -> [String: String] {