diff --git a/src/coverlet.core/Helpers/InstrumentationHelper.cs b/src/coverlet.core/Helpers/InstrumentationHelper.cs
index f870ef042..025041a47 100644
--- a/src/coverlet.core/Helpers/InstrumentationHelper.cs
+++ b/src/coverlet.core/Helpers/InstrumentationHelper.cs
@@ -15,7 +15,7 @@ internal static class InstrumentationHelper
     {
         public static string[] GetCoverableModules(string module)
         {
-            IEnumerable<string> modules = Directory.GetFiles(Path.GetDirectoryName(module), "*.dll");
+            IEnumerable<string> modules = Directory.EnumerateFiles(Path.GetDirectoryName(module)).Where(f => f.EndsWith(".exe") || f.EndsWith(".dll"));
             modules = modules.Where(m => IsAssembly(m) && Path.GetFileName(m) != Path.GetFileName(module));
             return modules.ToArray();
         }
diff --git a/test/coverlet.core.tests/Helpers/InstrumentationHelperTests.cs b/test/coverlet.core.tests/Helpers/InstrumentationHelperTests.cs
index a41c4646c..f88b35037 100644
--- a/test/coverlet.core.tests/Helpers/InstrumentationHelperTests.cs
+++ b/test/coverlet.core.tests/Helpers/InstrumentationHelperTests.cs
@@ -1,6 +1,5 @@
 using System;
 using System.IO;
-
 using Xunit;
 using System.Collections.Generic;
 using System.Linq;
@@ -17,6 +16,21 @@ public void TestGetDependencies()
             Assert.False(Array.Exists(modules, m => m == module));
         }
 
+        [Fact]
+        public void TestExeModulesCoverage()
+        {
+            string module = typeof(InstrumentationHelperTests).Assembly.Location;
+            string exeModule = Path.ChangeExtension(module, ".exe");
+            string noExtModule = Path.ChangeExtension(module, "").TrimEnd('.');
+            File.Delete(exeModule);
+            File.Copy(module, exeModule);
+            File.Delete(noExtModule);
+            File.Copy(module, noExtModule);
+            var modules = InstrumentationHelper.GetCoverableModules(module);
+            Assert.True(Array.Exists(modules, m => m == exeModule));
+            Assert.False(Array.Exists(modules, m => m == noExtModule));
+        }
+
         [Fact]
         public void TestHasPdb()
         {