diff --git a/Modules/FIT/FT0/include/FT0/AgingLaserPostProcTask.h b/Modules/FIT/FT0/include/FT0/AgingLaserPostProcTask.h
index c2a04c9b6e..bc0960fb5a 100644
--- a/Modules/FIT/FT0/include/FT0/AgingLaserPostProcTask.h
+++ b/Modules/FIT/FT0/include/FT0/AgingLaserPostProcTask.h
@@ -65,6 +65,9 @@ class AgingLaserPostProcTask final : public quality_control::postprocessing::Pos
   double mFracWindowA = 0.25; ///< low fractional window parameter a
   double mFracWindowB = 0.25; ///< high fractional window parameter b
 
+  /// Amplitude cut
+  int mDetectorAmpCut = 0;
+  const int mAmplLimit = 4096;
   std::unique_ptr<TH1F> mAmpVsChNormWeightedMeanA;
   std::unique_ptr<TH1F> mAmpVsChNormWeightedMeanC;
   std::unique_ptr<TH1F> mAmpVsChNormWeightedMeanAfterLastCorrA;
@@ -77,4 +80,4 @@ class AgingLaserPostProcTask final : public quality_control::postprocessing::Pos
 
 } // namespace o2::quality_control_modules::ft0
 
-#endif // QC_MODULE_FT0_AGINGLASERPOSTPROC_H
\ No newline at end of file
+#endif // QC_MODULE_FT0_AGINGLASERPOSTPROC_H
diff --git a/Modules/FIT/FT0/src/AgingLaserPostProcTask.cxx b/Modules/FIT/FT0/src/AgingLaserPostProcTask.cxx
index c26db51335..ae7162b7db 100644
--- a/Modules/FIT/FT0/src/AgingLaserPostProcTask.cxx
+++ b/Modules/FIT/FT0/src/AgingLaserPostProcTask.cxx
@@ -45,6 +45,8 @@ void AgingLaserPostProcTask::configure(const boost::property_tree::ptree& cfg)
   mAgingLaserPath = o2::quality_control_modules::common::getFromConfig<std::string>(mCustomParameters, "agingLaserTaskPath", mAgingLaserPath);
   mAgingLaserPostProcPath = o2::quality_control_modules::common::getFromConfig<std::string>(mCustomParameters, "agingLaserPostProcPath", mAgingLaserPostProcPath);
 
+  mDetectorAmpCut = o2::quality_control_modules::common::getFromConfig<double>(mCustomParameters, "detectorAmpCut", mDetectorAmpCut);
+
   mDetectorChIDs.resize(208);
   std::iota(mDetectorChIDs.begin(), mDetectorChIDs.end(), 0);
   const std::string detSkip =
@@ -248,8 +250,8 @@ void AgingLaserPostProcTask::update(Trigger t, framework::ServiceRegistryRef srv
   auto processChannel = [&](uint8_t chId) {
     auto h1 = std::unique_ptr<TH1>(h2AmpPerChannel->ProjectionY(
       Form("proj_%d", chId), chId + 1, chId + 1));
-
     // global maximum
+    h1->GetXaxis()->SetRangeUser(mDetectorAmpCut, mAmplLimit);
     const int binMax = h1->GetMaximumBin();
     const double xMax = h1->GetBinCenter(binMax);
     const double winLo = TMath::Max(0., (1. - mFracWindowA) * xMax);
@@ -304,4 +306,4 @@ void AgingLaserPostProcTask::finalize(Trigger, framework::ServiceRegistryRef)
   ILOG(Debug, Devel) << "finalize AgingLaserPostProcTask" << ENDM;
 }
 
-} // namespace o2::quality_control_modules::ft0
\ No newline at end of file
+} // namespace o2::quality_control_modules::ft0