diff --git a/src/MSDIAL5/MsdialCore/Algorithm/PeakSpottingCore.cs b/src/MSDIAL5/MsdialCore/Algorithm/PeakSpottingCore.cs
index fa18b4743..80556910e 100644
--- a/src/MSDIAL5/MsdialCore/Algorithm/PeakSpottingCore.cs
+++ b/src/MSDIAL5/MsdialCore/Algorithm/PeakSpottingCore.cs
@@ -548,7 +548,7 @@ public void SetMS2RawSpectrumIDs2ChromatogramPeakFeature(ChromatogramPeakFeature
         }
 
         public List<ChromatogramPeakFeature> GetBackgroundSubtractedPeaks(List<ChromatogramPeakFeature> chromPeakFeatures, IReadOnlyList<IChromatogramPeak> peaklist) {
-            var counterThreshold = 4;
+            var counterThreshold = 15;
             var sPeakAreaList = new List<ChromatogramPeakFeature>();
 
             foreach (var feature in chromPeakFeatures) {
@@ -601,7 +601,7 @@ public List<ChromatogramPeakFeature> GetBackgroundSubtractedPeaks(List<Chromatog
         }
 
         public List<ChromatogramPeakFeature> GetBackgroundSubtractedPeaks(List<ChromatogramPeakFeature> chromPeakFeatures, IReadOnlyList<double[]> peaklist) {
-            var counterThreshold = 4;
+            var counterThreshold = 15;
             var sPeakAreaList = new List<ChromatogramPeakFeature>();
 
             foreach (var feature in chromPeakFeatures) {
@@ -654,7 +654,7 @@ public List<ChromatogramPeakFeature> GetBackgroundSubtractedPeaks(List<Chromatog
         }
 
         public List<ChromatogramPeakFeature> GetBackgroundSubtractedPeaks(List<ChromatogramPeakFeature> chromPeakFeatures, Chromatogram chromatogram) {
-            var counterThreshold = 4;
+            var counterThreshold = 15;
             var sPeakAreaList = new List<ChromatogramPeakFeature>();
 
             foreach (var feature in chromPeakFeatures) {