diff --git a/Detectors/ITSMFT/ITS/tracking/include/ITStracking/Configuration.h b/Detectors/ITSMFT/ITS/tracking/include/ITStracking/Configuration.h
index ee755f7391bc0..c3755c60adaca 100644
--- a/Detectors/ITSMFT/ITS/tracking/include/ITStracking/Configuration.h
+++ b/Detectors/ITSMFT/ITS/tracking/include/ITStracking/Configuration.h
@@ -76,7 +76,7 @@ struct TrackingParameters {
   float CellDeltaTanLambdaSigma = 0.007f;
   /// Fitter parameters
   bool UseMatBudLUT = false;
-  unsigned long MaxMemory = 32000000000UL;
+  unsigned long MaxMemory = 12000000000UL;
   std::array<float, 2> FitIterationMaxChi2 = {50, 20};
 };