diff --git a/FineCodeCoverageTests/CoverageProject_Settings_Tests.cs b/FineCodeCoverageTests/CoverageProject_Settings_Tests.cs
index 05eac5a9..5da78298 100644
--- a/FineCodeCoverageTests/CoverageProject_Settings_Tests.cs
+++ b/FineCodeCoverageTests/CoverageProject_Settings_Tests.cs
@@ -723,7 +723,7 @@ public async Task Should_Provide_The_Merged_Result_Using_Project_Settings_Async(
         }
 
         [Test]
-        public async Task Should_Add_Common_Assembly_Excludes_Includes_Async()
+        public async Task Should_Add_Common_Assembly_Excludes_Includes_Ignoring_Whitespace_Async()
         {
             var mockAppOptions = new Mock<IAppOptions>();
             mockAppOptions.SetupAllProperties();
@@ -732,8 +732,8 @@ public async Task Should_Add_Common_Assembly_Excludes_Includes_Async()
             appOptions.Include = new string[] { "oldinclude" };
             appOptions.ModulePathsExclude = new string[] { "msexclude" };
             appOptions.ModulePathsInclude = new string[] { "msinclude" };
-            appOptions.ExcludeAssemblies = new string[] { "excludeassembly" };
-            appOptions.IncludeAssemblies = new string[] { "includeassembly" };
+            appOptions.ExcludeAssemblies = new string[] { "excludeassembly", " "};
+            appOptions.IncludeAssemblies = new string[] { "includeassembly", " "};
 
             var autoMoqer = new AutoMoqer();
             var coverageProjectSettingsManager = autoMoqer.Create<CoverageProjectSettingsManager>();
diff --git a/SharedProject/Core/Model/CoverageProjectSettingsManager.cs b/SharedProject/Core/Model/CoverageProjectSettingsManager.cs
index c5397852..cb7dff8c 100644
--- a/SharedProject/Core/Model/CoverageProjectSettingsManager.cs
+++ b/SharedProject/Core/Model/CoverageProjectSettingsManager.cs
@@ -58,14 +58,15 @@ private void AddCommonAssemblyExcludesIncludes(IAppOptions appOptions)
             }
             var newMs = ListFromExisting(ms);
             var newOldStyle = ListFromExisting(oldStyle);
-            
-            common.ToList().ForEach(assemblyFileName =>
+
+            var nonWhitespaceCommon = common.Where(c => !string.IsNullOrWhiteSpace(c));
+            foreach(var assemblyFileName in nonWhitespaceCommon)
             {
                 var msModulePath = $".*\\{assemblyFileName}.dll$";
                 newMs.Add(msModulePath);
                 var old = $"[{assemblyFileName}]*";
                 newOldStyle.Add(old);
-            });
+            }
             
             return (newOldStyle.ToArray(), newMs.ToArray());
         }