diff --git a/.github/workflows/dotnet-build.yml b/.github/workflows/dotnet-build.yml
index 816723d..9fae604 100644
--- a/.github/workflows/dotnet-build.yml
+++ b/.github/workflows/dotnet-build.yml
@@ -4,7 +4,8 @@ on:
   push:
     branches: [ '*' ]
   pull_request:
-    branches: [ '*' ]
+    branches: [ master ]
+  workflow_dispatch:
 
 jobs:
   build:
diff --git a/UnitTests/FuzzyStringComparisonAlgorithmTest.cs b/UnitTests/FuzzyStringComparisonAlgorithmTest.cs
index 84c80b3..5580e78 100644
--- a/UnitTests/FuzzyStringComparisonAlgorithmTest.cs
+++ b/UnitTests/FuzzyStringComparisonAlgorithmTest.cs
@@ -10,7 +10,7 @@ public class FuzzyStringComparisonAlgorithmTest
         public void ShouldIgnoreGuids()
         {
             string lhs =
-                "{b736467c-b1ff-4bbd-9654-a5312f1ba846\0x0 and some text and {47484565-22b5-4e72-a365-b0bdda187465}";
+                "{b736467c-b1ff-4bbd-9654-a5312f1ba846}\0 and some text and {47484565-22b5-4e72-a365-b0bdda187465}";
             string rhs1 =
                 "{b736467c-b1ff-4bbd-9654-a5312f1ba846} and some text and {a3e8ee65-3c13-4c48-bc94-253da3fac798}";
             string rhs2 =