diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index 3aef6989b0..6e276fe316 100644
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -2414,6 +2414,8 @@ wxGrid::SetTable(wxGridTableBase *table,
         m_created = true;
     }
 
+    InvalidateBestSize();
+
     return m_created;
 }