diff --git a/Source/LibationFileManager/Templates/SeriesOrder.cs b/Source/LibationFileManager/Templates/SeriesOrder.cs
index 08c4b281..2fe4edbf 100644
--- a/Source/LibationFileManager/Templates/SeriesOrder.cs
+++ b/Source/LibationFileManager/Templates/SeriesOrder.cs
@@ -28,7 +28,7 @@ public class SeriesOrder : IFormattable
 		while (TryParseNumber(order, out var value, out var range))
 		{
 			var prefix = order[..range.Start.Value];
-			if(!string.IsNullOrWhiteSpace(prefix))
+			if(!string.IsNullOrEmpty(prefix))
 				parts.Add(prefix);
 
 			parts.Add(value);
@@ -36,7 +36,7 @@ public class SeriesOrder : IFormattable
 			order = order[range.End.Value..];
 		}
 
-		if (!string.IsNullOrWhiteSpace(order))
+		if (!string.IsNullOrEmpty(order))
 			parts.Add(order);
 
 		return new(parts.ToArray());
diff --git a/Source/_Tests/LibationFileManager.Tests/TemplatesTests.cs b/Source/_Tests/LibationFileManager.Tests/TemplatesTests.cs
index bbee3c80..f7eb7b06 100644
--- a/Source/_Tests/LibationFileManager.Tests/TemplatesTests.cs
+++ b/Source/_Tests/LibationFileManager.Tests/TemplatesTests.cs
@@ -418,6 +418,7 @@ namespace TemplatesTests
 		[DataRow("<series#[F2]>", "   f1g   ", "f1.00g")]
 		[DataRow("<series#[]>", "1", "1")]
 		[DataRow("<series#>", "1", "1")]
+		[DataRow("<series#>", " 1 6 ", "1 6")]
 		public void SeriesOrder_formatters(string template, string seriesOrder, string expected)
 		{
 			var bookDto = GetLibraryBook();