diff --git a/src/Akka.Persistence.RavenDB/Akka.Persistence.RavenDB.csproj b/src/Akka.Persistence.RavenDB/Akka.Persistence.RavenDB.csproj
index 4a36b72..678a8e3 100644
--- a/src/Akka.Persistence.RavenDB/Akka.Persistence.RavenDB.csproj
+++ b/src/Akka.Persistence.RavenDB/Akka.Persistence.RavenDB.csproj
@@ -15,7 +15,6 @@
 
   <ItemGroup>
     <EmbeddedResource Include="reference.conf">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </EmbeddedResource>
 
     <EmbeddedResource Include="ChangeVectorAnalyzer.cs">
diff --git a/src/Akka.Persistence.RavenDB/ChangeVectorAnalyzer.cs b/src/Akka.Persistence.RavenDB/ChangeVectorAnalyzer.cs
index 62395cc..bccc20b 100644
--- a/src/Akka.Persistence.RavenDB/ChangeVectorAnalyzer.cs
+++ b/src/Akka.Persistence.RavenDB/ChangeVectorAnalyzer.cs
@@ -9,6 +9,9 @@ public static class ChangeVectorAnalyzer
     public static Dictionary<string, long> ToDictionary(string changeVector)
     {
         var dic = new Dictionary<string, long>();
+        if (string.IsNullOrEmpty(changeVector))
+            return dic;
+
         var matches = Pattern.Matches(changeVector);
         foreach (Match match in matches)
         {