diff --git a/apps/regression/calculation_controller.cpp b/apps/regression/calculation_controller.cpp
index a8afa2b83..0d8a64aaf 100644
--- a/apps/regression/calculation_controller.cpp
+++ b/apps/regression/calculation_controller.cpp
@@ -82,11 +82,17 @@ void CalculationController::tableViewDidChangeSelection(SelectableTableView * t,
     }
   }
   if (t->selectedColumn() > 0 && t->selectedRow() >= 0 && t->selectedRow() <= k_totalNumberOfDoubleBufferRows) {
+    // If we are on a double text cell, we have to choose which subcell to select
     EvenOddDoubleBufferTextCellWithSeparator * myCell = (EvenOddDoubleBufferTextCellWithSeparator *)t->selectedCell();
+    // Default selected subcell is the left one
     bool firstSubCellSelected = true;
     if (previousSelectedCellX > 0 && previousSelectedCellY >= 0 && previousSelectedCellY <= k_totalNumberOfDoubleBufferRows) {
+      // If we come from another double text cell, we have to update subselection
       EvenOddDoubleBufferTextCellWithSeparator * myPreviousCell = (EvenOddDoubleBufferTextCellWithSeparator *)t->cellAtLocation(previousSelectedCellX, previousSelectedCellY);
-      firstSubCellSelected = myPreviousCell->firstTextSelected();
+      /* If the selection stays in the same column, we copy the subselection
+       * from previous cell. Otherwise, the selection has jumped to another
+       * column, we thus subselect the other subcell. */
+      firstSubCellSelected = t->selectedColumn() == previousSelectedCellX ? myPreviousCell->firstTextSelected() : !myPreviousCell->firstTextSelected();
     }
     myCell->selectFirstText(firstSubCellSelected);
   }