diff --git a/src/IdentityServer/Validation/Default/JwtBearerClientAssertionSecretParser.cs b/src/IdentityServer/Validation/Default/JwtBearerClientAssertionSecretParser.cs
index 73ed99b9d..e77322350 100644
--- a/src/IdentityServer/Validation/Default/JwtBearerClientAssertionSecretParser.cs
+++ b/src/IdentityServer/Validation/Default/JwtBearerClientAssertionSecretParser.cs
@@ -112,7 +112,7 @@ private string GetClientIdFromToken(string token)
         }
         catch (Exception e)
         {
-            _logger.LogWarning("Could not parse client assertion", e);
+            _logger.LogWarning(e, "Could not parse client assertion");
             return null;
         }
     }