diff --git a/src/coverlet.core/Instrumentation/Instrumenter.cs b/src/coverlet.core/Instrumentation/Instrumenter.cs
index 9d71473..c94a92d 100644
--- a/src/coverlet.core/Instrumentation/Instrumenter.cs
+++ b/src/coverlet.core/Instrumentation/Instrumenter.cs
@@ -24,14 +24,6 @@ namespace Coverlet.Core.Instrumentation
         private readonly static Lazy<MethodInfo> _markExecutedMethodLoader = new Lazy<MethodInfo>(GetMarkExecutedMethod);
         private InstrumenterResult _result;
 
-        private static readonly string[] _excludeAttributeNames = new[]
-        {
-            nameof(ExcludeFromCoverageAttribute),
-            "ExcludeFromCoverage",
-            nameof(ExcludeFromCodeCoverageAttribute),
-            "ExcludeFromCodeCoverage"
-        };
-
         public Instrumenter(string module, string identifier, string[] filters, string[] excludedFiles)
         {
             _module = module;
@@ -278,8 +270,16 @@ namespace Coverlet.Core.Instrumentation
 
         private static bool IsExcludeAttribute(CustomAttribute customAttribute)
         {
+            var excludeAttributeNames = new[]
+            {
+                nameof(ExcludeFromCoverageAttribute),
+                "ExcludeFromCoverage",
+                nameof(ExcludeFromCodeCoverageAttribute),
+                "ExcludeFromCodeCoverage"
+            };
+
             var attributeName = customAttribute.AttributeType.Name;
-            return _excludeAttributeNames.Any(a => a.Equals(attributeName));
+            return excludeAttributeNames.Any(a => a.Equals(attributeName));
         }
 
         private static Mono.Cecil.Cil.MethodBody GetMethodBody(MethodDefinition method)