diff --git a/README.md b/README.md
index 9b41296..f82b585 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ Initializes the engine and provides engine information.
 **Example:**
 ```
 uci
-id name Woodpusher 1.4.0+d6be4b9c9fa56528613008cd6f05241629906b4f
+id name Woodpusher 1.4.1+689e19f3ce89cc8b63870a0e3e3c6f482ed476d3
 id author Mikael Fredriksson <micke@sictransit.net>
 option name OwnBook type check default true
 uciok
diff --git a/Woodpusher/UniversalChessInterface.cs b/Woodpusher/UniversalChessInterface.cs
index 4981969..0deea00 100644
--- a/Woodpusher/UniversalChessInterface.cs
+++ b/Woodpusher/UniversalChessInterface.cs
@@ -29,8 +29,8 @@ public class UniversalChessInterface
         private static readonly Regex PositionRegex =
             new(@"^(position).+?(fen(.+?))?(moves(.+?))?$", RegexOptions.Compiled);
         private static readonly Regex MovesRegex = new(@"([a-h][1-8][a-h][1-8][rnbq]?)", RegexOptions.Compiled);
-        private static readonly Regex WhiteTimeRegex = new(@"wtime (\d+)", RegexOptions.Compiled);
-        private static readonly Regex BlackTimeRegex = new(@"btime (\d+)", RegexOptions.Compiled);
+        private static readonly Regex WhiteTimeRegex = new(@"wtime (-?\d+)", RegexOptions.Compiled);
+        private static readonly Regex BlackTimeRegex = new(@"btime (-?\d+)", RegexOptions.Compiled);
         private static readonly Regex MovesToGoRegex = new(@"movestogo (\d+)", RegexOptions.Compiled);
         private static readonly Regex MovetimeRegex = new(@"movetime (\d+)", RegexOptions.Compiled);
         private static readonly Regex PerftRegex = new(@"perft (\d+)", RegexOptions.Compiled);
@@ -260,4 +260,4 @@ private void Go(string command)
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/Woodpusher/Woodpusher.csproj b/Woodpusher/Woodpusher.csproj
index 83a3b8b..c82be8c 100644
--- a/Woodpusher/Woodpusher.csproj
+++ b/Woodpusher/Woodpusher.csproj
@@ -7,7 +7,7 @@
     <Nullable>enable</Nullable>
     <RootNamespace>SicTransit.Woodpusher</RootNamespace>
     <Authors>Mikael Fredriksson &lt;micke@sictransit.net&gt;</Authors>
-    <Version>1.4.0</Version>
+    <Version>1.4.1</Version>
   </PropertyGroup>
 
   <ItemGroup>