Fix some issues pinpointed by Code Analysis

1 files changed, 3 insertions, 1 deletions

diff --git a/LibGit2Sharp/ObjectType.cs b/LibGit2Sharp/ObjectType.cs
index 9b4e007d..3e5d415f 100644
--- a/LibGit2Sharp/ObjectType.cs
+++ b/LibGit2Sharp/ObjectType.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using LibGit2Sharp.Core;
 
 namespace LibGit2Sharp
@@ -48,7 +49,8 @@ namespace LibGit2Sharp
                     return GitObjectType.Tag;
 
                 default:
-                    throw new InvalidOperationException(string.Format("Cannot map {0} to a GitObjectType.", type));
+                    throw new InvalidOperationException(
+                        string.Format(CultureInfo.InvariantCulture, "Cannot map {0} to a GitObjectType.", type));
             }
         }
     }