diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index 36b7d01c82..8d461af605 100644
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -1584,7 +1584,7 @@ void wxGridCellStringRenderer::Draw(wxGrid& grid,
                 for (int j=row; j<row+cell_rows; j++)
                 {
                     // check w/ anchor cell for multicell block
-                    grid.GetCellSize(row, i, &c_rows, &c_cols);
+                    grid.GetCellSize(j, i, &c_rows, &c_cols);
                     if (c_rows > 0) c_rows = 0;
                     if (!grid.GetTable()->IsEmptyCell(row+c_rows, i))
                     {