diff --git a/kivy/uix/gridlayout.py b/kivy/uix/gridlayout.py
index fabe95230..0aedb7dd1 100644
--- a/kivy/uix/gridlayout.py
+++ b/kivy/uix/gridlayout.py
@@ -359,10 +359,10 @@ class GridLayout(Layout):
                 rows_sh[row] = nmax(rows_sh[row], shh)
                 if shh_min is not None:
                     has_bound_y = True
-                    rows_sh_min[col] = nmax(rows_sh_min[col], shh_min)
+                    rows_sh_min[row] = nmax(rows_sh_min[row], shh_min)
                 if shh_max is not None:
                     has_bound_y = True
-                    rows_sh_max[col] = nmin(rows_sh_max[col], shh_max)
+                    rows_sh_max[row] = nmin(rows_sh_max[row], shh_max)
         self._has_hint_bound_x = has_bound_x
         self._has_hint_bound_y = has_bound_y