diff --git a/src/BenchmarkDotNet/Environments/Runtimes/CoreRuntime.cs b/src/BenchmarkDotNet/Environments/Runtimes/CoreRuntime.cs
index 6cb6cd0f34..296d7b4834 100644
--- a/src/BenchmarkDotNet/Environments/Runtimes/CoreRuntime.cs
+++ b/src/BenchmarkDotNet/Environments/Runtimes/CoreRuntime.cs
@@ -208,9 +208,7 @@ private static CoreRuntime GetPlatformSpecific(CoreRuntime fallback)
             if (!(platformNameProperty.GetValue(attributeInstance) is string platformName))
                 return fallback;
 
-            // it's something like "Windows7.0";
-            var justName = new string(platformName.TakeWhile(char.IsLetter).ToArray());
-            return new CoreRuntime(fallback.RuntimeMoniker, $"{fallback.MsBuildMoniker}-{justName}", fallback.Name);
+            return new CoreRuntime(fallback.RuntimeMoniker, $"{fallback.MsBuildMoniker}-{platformName}", fallback.Name);
         }
     }
 }