diff --git a/Detectors/TOF/base/src/Geo.cxx b/Detectors/TOF/base/src/Geo.cxx
index 08cda68c6d12e..7df4c3a3537e1 100644
--- a/Detectors/TOF/base/src/Geo.cxx
+++ b/Detectors/TOF/base/src/Geo.cxx
@@ -1049,8 +1049,8 @@ void Geo::rotateToSector(Float_t* xyz, Int_t isector)
 void Geo::alignedToNominalSector(Float_t* xyz, Int_t isector)
 {
   // rotate from the aligned sector frame coordinates to nominal ones (i.e. alpha=20*sector+10 deg.)
-  constexpr float CS[18] = {.848077e-01, 8.660254e-01, 6.427876e-01, 3.420202e-01, -4.371139e-08, -3.420201e-01, -6.427876e-01, -8.660254e-01, -9.848077e-01, -9.848077e-01, -8.660254e-01, -6.427875e-01, -3.420201e-01, 1.192488e-08, 3.420201e-01, 6.427875e-01, 8.660253e-01, 9.848078e-01};
-  constexpr float SN[18] = {1.736482e-01, 5.000000e-01, 7.660444e-01, 9.396926e-01, 1.000000e+00, 9.396926e-01, 7.660444e-01, 5.000001e-01, 1.736483e-01, -1.736482e-01, -5.000000e-01, -7.660446e-01, -9.396927e-01, -1.000000e+00, -9.396926e-01, -7.660445e-01, -5.000002e-01, -1.736480e-01};
+  constexpr float CS[18] = {+9.848078e-01, +8.660254e-01, +6.427876e-01, +3.420201e-01, +6.123234e-17, -3.420201e-01, -6.427876e-01, -8.660254e-01, -9.848078e-01, -9.848078e-01, -8.660254e-01, -6.427876e-01, -3.420201e-01, -1.836970e-16, +3.420201e-01, +6.427876e-01, +8.660254e-01, +9.848078e-01};
+  constexpr float SN[18] = {+1.736482e-01, +5.000000e-01, +7.660444e-01, +9.396926e-01, +1.000000e+00, +9.396926e-01, +7.660444e-01, +5.000000e-01, +1.736482e-01, -1.736482e-01, -5.000000e-01, -7.660444e-01, -9.396926e-01, -1.000000e+00, -9.396926e-01, -7.660444e-01, -5.000000e-01, -1.736482e-01};
   Float_t xyzDummy[3] = {xyz[1], xyz[2], xyz[0]};      // go to twisted coordinates...
   o2::tof::Geo::antiRotateToSector(xyzDummy, isector); // lab coordinates
   xyz[0] = xyzDummy[0] * CS[isector] + xyzDummy[1] * SN[isector];