diff --git a/src/NetSparkle.Tests.AppCastGenerator/AppCastMakerTests.cs b/src/NetSparkle.Tests.AppCastGenerator/AppCastMakerTests.cs
index c787d6cc..0db03558 100644
--- a/src/NetSparkle.Tests.AppCastGenerator/AppCastMakerTests.cs
+++ b/src/NetSparkle.Tests.AppCastGenerator/AppCastMakerTests.cs
@@ -142,6 +142,7 @@ public void CanGetVersionFromName()
             Assert.Equal("2.10.1", AppCastMaker.GetVersionFromName("appsetup2.10.1.exe"));
             
             // #623
+            Assert.Equal("1.3.0", AppCastMaker.GetVersionFromName("setup-something-1.3.0.dmg"));
             Assert.Equal("2.10.1", AppCastMaker.GetVersionFromName("app-setup-2.10.1.exe"));
             Assert.Equal("2.10.1", AppCastMaker.GetVersionFromName("my-app-setup-2.10.1.exe"));
             Assert.Equal("2.10.1", AppCastMaker.GetVersionFromName("my-app-setup-2.10.1.exe"));
diff --git a/src/NetSparkle.Tools.AppCastGenerator/AppCastMaker.cs b/src/NetSparkle.Tools.AppCastGenerator/AppCastMaker.cs
index fa74fa4f..996b27a6 100644
--- a/src/NetSparkle.Tools.AppCastGenerator/AppCastMaker.cs
+++ b/src/NetSparkle.Tools.AppCastGenerator/AppCastMaker.cs
@@ -137,7 +137,6 @@ private static string RemoveTextBlockFromRight(string input)
 
                 tempSegment = string.IsNullOrWhiteSpace(tempSegment) ? segment : segment + "." + tempSegment;
                 tempSegment = tempSegment.Trim('.');
-
                 if (ContainsValidVersionInfo(tempSegment))
                 {
                     lastValidVersionLeft = tempSegment;
@@ -207,7 +206,7 @@ private static string RemoveTextBlockFromRight(string input)
 
             // Handle a sampling of complex extensions and remove them if they exist
             List<string> extensionPatterns = [@"\.tar\.gz$", @"\.tar$", @"\.gz$", @"\.zip$", @"\.txt$", 
-            @"\.exe$", @"\.bin$", @"\.msi$", @"\.excel", @"\.mcdx", @"\.pdf", @"\.dll", @"\.ted"];
+            @"\.exe$", @"\.bin$", @"\.msi$", @"\.excel", @"\.mcdx", @"\.pdf", @"\.dll", @"\.ted", @"\.dmg"];
             // handle user-defined extensions
             if (extensions != null)
             {