diff --git a/src/Orleans.Runtime/Silo/Silo.cs b/src/Orleans.Runtime/Silo/Silo.cs
index e1a0eb35e1..81d859007d 100644
--- a/src/Orleans.Runtime/Silo/Silo.cs
+++ b/src/Orleans.Runtime/Silo/Silo.cs
@@ -602,7 +602,7 @@ await grainService
                     logger.LogDebug(
                         "{GrainServiceType} Grain Service with Id {GrainServiceId} stopped successfully.",
                         grainService.GetType().FullName,
-                        grainService.GetPrimaryKeyLong(out string ignored));
+                        grainService.GetGrainId().ToString());
                 }
             }
         }