diff --git a/src/ICSharpCode.SharpZipLib/Tar/TarHeader.cs b/src/ICSharpCode.SharpZipLib/Tar/TarHeader.cs
index e29507427..b7a42d53f 100644
--- a/src/ICSharpCode.SharpZipLib/Tar/TarHeader.cs
+++ b/src/ICSharpCode.SharpZipLib/Tar/TarHeader.cs
@@ -870,9 +870,11 @@ public static int GetNameBytes(string name, int nameOffset, byte[] buffer, int b
 
 			int i;
 
-			for (i = 0; i < length && nameOffset + i < name.Length; ++i)
+			byte[] nameBytes = Encoding.UTF8.GetBytes(name);
+
+			for (i = 0; i < length && nameOffset + i < nameBytes.Length; ++i)
 			{
-				buffer[bufferOffset + i] = (byte)name[nameOffset + i];
+				buffer[bufferOffset + i] = nameBytes[nameOffset + i];
 			}
 
 			for (; i < length; ++i)
diff --git a/src/ICSharpCode.SharpZipLib/Tar/TarOutputStream.cs b/src/ICSharpCode.SharpZipLib/Tar/TarOutputStream.cs
index 09202caa7..1e3985c07 100644
--- a/src/ICSharpCode.SharpZipLib/Tar/TarOutputStream.cs
+++ b/src/ICSharpCode.SharpZipLib/Tar/TarOutputStream.cs
@@ -262,7 +262,7 @@ public void PutNextEntry(TarEntry entry)
 				while (nameCharIndex < entry.TarHeader.Name.Length + 1 /* we've allocated one for the null char, now we must make sure it gets written out */)
 				{
 					Array.Clear(blockBuffer, 0, blockBuffer.Length);
-					TarHeader.GetAsciiBytes(entry.TarHeader.Name, nameCharIndex, this.blockBuffer, 0, TarBuffer.BlockSize); // This func handles OK the extra char out of string length
+					TarHeader.GetNameBytes(entry.TarHeader.Name, nameCharIndex, this.blockBuffer, 0, TarBuffer.BlockSize); // This func handles OK the extra char out of string length
 					nameCharIndex += TarBuffer.BlockSize;
 					buffer.WriteBlock(blockBuffer);
 				}