diff --git a/mvd.C b/mvd.C
index 3b51bfa0a50fb7ca8f8da28a6bbe26af85525304..2f41110aa3c7764b92886e85b519a9a8292ccc08 100644
--- a/mvd.C
+++ b/mvd.C
@@ -45,7 +45,7 @@ Float_t sensorDimensionsPassive[3] = {3.097, 0.300, 0.005};
 // 2*1.355-(2-1)*0.05+0.3+1.9+0.1
 
 /* MIMOSIS-based tr (tracking) variant (general purpose tracking variant) */
-Float_t stationPosition[4] = {8.0, 12.0, 16.0, 20.0};
+Float_t stationPosition[4] = {4.0, 8.0, 12.0, 16.0};
 int sensorRows[4] = {4, 4, 7, 7};
 int sensorCols[4] = {2, 2, 4, 4};
 Float_t heatsinkWidth[4] = {31.1, 31.1, 37.7, 37.7};
@@ -58,7 +58,7 @@ int carrierMaterials[4] = {1, 1, 1, 1}; // 0 = diamond, 1 = TPG
 
 /* MIMOSIS-based vx (vertexing) variant (dedicated vertexing variant) */
 /*
-Float_t stationPosition[4] = {5.0, 10.0, 15.0, 20.0};
+Float_t stationPosition[4] = {1.0, 6.0, 11.0, 16.0};
 int sensorRows[4] = {2, 4, 7, 7};
 int sensorCols[4] = {1, 2, 4, 4};
 Float_t heatsinkWidth[4] = {23.1, 31.1, 37.7, 37.7};