diff --git a/src/cyclonedx/Commands/Verify/VerifyAllCommand.cs b/src/cyclonedx/Commands/Verify/VerifyAllCommand.cs
index efb83f5..ce90d6e 100644
--- a/src/cyclonedx/Commands/Verify/VerifyAllCommand.cs
+++ b/src/cyclonedx/Commands/Verify/VerifyAllCommand.cs
@@ -58,7 +58,7 @@ public static async Task<int> VerifyAll(VerifyAllCommandOptions options)
                 bom.Load(options.BomFile);
 
                 Console.WriteLine("Reading signatures...");
-                var signatures = bom.GetElementsByTagName("Signature");
+                var signatures = bom.GetElementsByTagName("Signature", "http://www.w3.org/2000/09/xmldsig#");
 
                 if (signatures.Count == 0)
                 {