diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index 93a01043e0..405f72dc0d 100644
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -967,7 +967,7 @@ wxString wxGridCellNumberEditor::GetValue() const
 
   if( HasRange() )
   {
-    int value = Spin()->GetValue();
+    long value = Spin()->GetValue();
     s.Printf(wxT("%ld"), value);
   }
   else