1 files changed, 3 insertions, 2 deletions
diff --git a/src/nvim/mouse.c b/src/nvim/mouse.c
index 3c792326a4..3790886194 100644
--- a/src/nvim/mouse.c
+++ b/src/nvim/mouse.c
@@ -110,8 +110,9 @@ retnomove:
   // Remember the character under the mouse, it might be a '-' or '+' in the
   // fold column. NB: only works for ASCII chars!
   if (row >= 0 && row < Rows && col >= 0 && col <= Columns
-      && ScreenLines != NULL) {
-    mouse_char = ScreenLines[LineOffset[row] + (unsigned)col][0];
+      && default_grid.chars != NULL) {
+    mouse_char = default_grid.chars[default_grid.line_offset[row]
+                                    + (unsigned)col][0];
   } else {
     mouse_char = ' ';
   }