diff --git a/app/Build/Commands/Pdfium.cs b/app/Build/Commands/Pdfium.cs
index 23902296..12348a4b 100644
--- a/app/Build/Commands/Pdfium.cs
+++ b/app/Build/Commands/Pdfium.cs
@@ -48,7 +48,7 @@ public static class Pdfium
         //
         Console.Write(" deploying ...");
         var library = GetLibraryPath(rid);
-        if (string.IsNullOrEmpty(library.Path))
+        if (string.IsNullOrWhiteSpace(library.Path))
         {
             Console.WriteLine($" failed to find the library path for {rid.ToUserFriendlyName()}");
             return;
diff --git a/app/SourceCodeRules/SourceCodeRules/NamingAnalyzers/LocalConstantsAnalyzer.cs b/app/SourceCodeRules/SourceCodeRules/NamingAnalyzers/LocalConstantsAnalyzer.cs
index da0e130e..3c7e5b25 100644
--- a/app/SourceCodeRules/SourceCodeRules/NamingAnalyzers/LocalConstantsAnalyzer.cs
+++ b/app/SourceCodeRules/SourceCodeRules/NamingAnalyzers/LocalConstantsAnalyzer.cs
@@ -59,5 +59,5 @@ public sealed class LocalConstantsAnalyzer : DiagnosticAnalyzer
     }
     
     private static bool IsUpperCase(string name) => name.All(c => char.IsUpper(c) || char.IsDigit(c) || c == '_') && 
-                                                    !string.IsNullOrEmpty(name) && name.Any(char.IsLetter);
+                                                    !string.IsNullOrWhiteSpace(name) && name.Any(char.IsLetter);
 }
\ No newline at end of file