diff --git a/BecquerelMonitor/BecquerelMonitor.csproj b/BecquerelMonitor/BecquerelMonitor.csproj
index 9a2ec49..7d536ae 100644
--- a/BecquerelMonitor/BecquerelMonitor.csproj
+++ b/BecquerelMonitor/BecquerelMonitor.csproj
@@ -35,8 +35,8 @@
     <MinimumRequiredVersion>2022.07.08.7</MinimumRequiredVersion>
     <CreateWebPageOnPublish>true</CreateWebPageOnPublish>
     <WebPage>index.html</WebPage>
-    <ApplicationRevision>6</ApplicationRevision>
-    <ApplicationVersion>2024.04.24.6</ApplicationVersion>
+    <ApplicationRevision>1</ApplicationRevision>
+    <ApplicationVersion>2024.04.25.1</ApplicationVersion>
     <UseApplicationTrust>true</UseApplicationTrust>
     <PublishWizardCompleted>true</PublishWizardCompleted>
     <BootstrapperEnabled>true</BootstrapperEnabled>
diff --git a/BecquerelMonitor/Properties/AssemblyInfo.cs b/BecquerelMonitor/Properties/AssemblyInfo.cs
index 11607d2..a5aa23b 100644
--- a/BecquerelMonitor/Properties/AssemblyInfo.cs
+++ b/BecquerelMonitor/Properties/AssemblyInfo.cs
@@ -4,13 +4,13 @@
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
-[assembly: AssemblyVersion("2024.04.24.6")]
+[assembly: AssemblyVersion("2024.04.25.1")]
 [assembly: AssemblyProduct("BecquerelMonitor")]
 [assembly: AssemblyCopyright("free")]
 [assembly: AssemblyTrademark("none")]
 [assembly: AssemblyConfiguration("")]
 [assembly: Guid("40110b38-4882-47c1-ad94-a71e58dcb5f8")]
-[assembly: AssemblyFileVersion("2024.04.24.6")]
+[assembly: AssemblyFileVersion("2024.04.25.1")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyCompany("free")]
 [assembly: CompilationRelaxations(8)]
diff --git a/BecquerelMonitor/Utils/SpectrumAriphmetics.cs b/BecquerelMonitor/Utils/SpectrumAriphmetics.cs
index f6a0d63..67bc1c3 100644
--- a/BecquerelMonitor/Utils/SpectrumAriphmetics.cs
+++ b/BecquerelMonitor/Utils/SpectrumAriphmetics.cs
@@ -48,7 +48,12 @@ public int FindCentroid(EnergySpectrum energySpectrum, int centroid, int low_bou
                 }
             }
 
-            int poly_order = 18;
+            int poly_order = 16;
+            if (energySpectrum.NumberOfChannels <= 1024)
+            {
+                poly_order = 8;
+            }
+            
             if (high_boundary - low_boundary < poly_order)
             {
                 poly_order = high_boundary - low_boundary;