diff --git a/BizHawk.Emulation.DiscSystem/DiscIdentifier.cs b/BizHawk.Emulation.DiscSystem/DiscIdentifier.cs
index 7db33ef622..e4fe3c2f74 100644
--- a/BizHawk.Emulation.DiscSystem/DiscIdentifier.cs
+++ b/BizHawk.Emulation.DiscSystem/DiscIdentifier.cs
@@ -298,7 +298,7 @@ namespace BizHawk.Emulation.DiscSystem
         //asni - slightly longer running than the others due to its brute-force nature. Should run later in the method
         bool DetectDreamcast()
         {
-            for (int i = 0; i < 10000; i++)
+            for (int i = 0; i < 1000; i++)
             {
                 if (SectorContains("segakatana", i))
                     return true;