diff --git a/Detectors/TPC/calibration/src/CorrectionMapsLoader.cxx b/Detectors/TPC/calibration/src/CorrectionMapsLoader.cxx
index c2f7a26ba32d1..e13f887cbdc21 100644
--- a/Detectors/TPC/calibration/src/CorrectionMapsLoader.cxx
+++ b/Detectors/TPC/calibration/src/CorrectionMapsLoader.cxx
@@ -126,7 +126,7 @@ void CorrectionMapsLoader::addOptions(std::vector<ConfigParamSpec>& options)
 {
   // these are options which should be added at the level of device using TPC corrections
   // At the moment - nothing, all options are moved to configurable param CorrMapParam
-  addOption(options, ConfigParamSpec{"do-not-recalculate-inverse-correction", o2::framework::VariantType::Bool, false, {"Do NOT recalculate the inverse correction in case lumi mode 1 or 2 is used"}});
+  addOption(options, ConfigParamSpec{"recalculate-inverse-correction", o2::framework::VariantType::Bool, false, {"recalculate the inverse correction in case lumi mode 1 or 2 is used"}});
   addOption(options, ConfigParamSpec{"nthreads-inverse-correction", o2::framework::VariantType::Int, 4, {"Number of threads used for calculating the inverse correction (-1=all threads)"}});
 }
 
@@ -251,7 +251,7 @@ void CorrectionMapsLoader::init(o2::framework::InitContext& ic)
   }
 
   if ((getLumiScaleMode() == 1) || (getLumiScaleMode() == 2)) {
-    mScaleInverse = ic.options().get<bool>("do-not-recalculate-inverse-correction");
+    mScaleInverse = !(ic.options().get<bool>("recalculate-inverse-correction"));
   } else {
     mScaleInverse = true;
   }
diff --git a/GPU/TPCFastTransformation/TPCFastTransform.h b/GPU/TPCFastTransformation/TPCFastTransform.h
index c048b9319f421..fe52bffe14acc 100644
--- a/GPU/TPCFastTransformation/TPCFastTransform.h
+++ b/GPU/TPCFastTransformation/TPCFastTransform.h
@@ -484,7 +484,7 @@ GPUdi() void TPCFastTransform::TransformInternal(int slice, int row, float& u, f
             dv = dvRef * scale + dv;
           }
         }
-        if (ref2) {
+        if (ref2 && (scale2 != 0)) {
           float dxRef, duRef, dvRef;
           ref2->mCorrection.getCorrection(slice, row, u, v, dxRef, duRef, dvRef);
           dx = dxRef * scale2 + dx;
@@ -795,7 +795,7 @@ GPUdi() void TPCFastTransform::InverseTransformYZtoX(int slice, int row, float y
     if (ref2 && (scale2 != 0)) {
       float xr;
       ref2->mCorrection.getCorrectionInvCorrectedX(slice, row, u, v, xr);
-      x = (xr - getGeometry().getRowInfo(row).x) * scale + x; // xr=mGeo.getRowInfo(row).x + dx;
+      x = (xr - getGeometry().getRowInfo(row).x) * scale2 + x; // xr=mGeo.getRowInfo(row).x + dx;
     }
   } else {
     x = mCorrection.getGeometry().getRowInfo(row).x; // corrections are disabled
@@ -833,11 +833,11 @@ GPUdi() void TPCFastTransform::InverseTransformYZtoNominalYZ(int slice, int row,
         un = (unr - u) * scale + un; // unr = u - duv[0];
         vn = (vnr - v) * scale + vn;
       }
-      if (ref2 && (scale != 0)) {
+      if (ref2 && (scale2 != 0)) {
         float unr = 0, vnr = 0;
         ref2->mCorrection.getCorrectionInvUV(slice, row, u, v, unr, vnr);
-        un = (unr - u) * scale + un; // unr = u - duv[0];
-        vn = (vnr - v) * scale + vn;
+        un = (unr - u) * scale2 + un; // unr = u - duv[0];
+        vn = (vnr - v) * scale2 + vn;
       }
     }
   } else {