diff --git a/src/Dialog_Base_Partition.cc b/src/Dialog_Base_Partition.cc
index bfa278cb..4bf17d92 100644
--- a/src/Dialog_Base_Partition.cc
+++ b/src/Dialog_Base_Partition.cc
@@ -58,6 +58,7 @@ Dialog_Base_Partition::Dialog_Base_Partition()
 		
 	spinbutton_before .set_numeric( true );
 	spinbutton_before .set_increments( 1, 100 );
+	spinbutton_before.set_width_chars(7);
 	table_resize.attach( spinbutton_before, 1, 2, 0, 1, Gtk::FILL );
 	
 	//add spinbutton_size
@@ -65,6 +66,7 @@ Dialog_Base_Partition::Dialog_Base_Partition()
 
 	spinbutton_size .set_numeric( true );
 	spinbutton_size .set_increments( 1, 100 );
+	spinbutton_size.set_width_chars(7);
 	table_resize.attach( spinbutton_size, 1, 2, 1, 2, Gtk::FILL );
 	
 	//add spinbutton_after
@@ -72,6 +74,7 @@ Dialog_Base_Partition::Dialog_Base_Partition()
 	
 	spinbutton_after .set_numeric( true );
 	spinbutton_after .set_increments( 1, 100 );
+	spinbutton_after.set_width_chars(7);
 	table_resize.attach( spinbutton_after, 1, 2, 2, 3, Gtk::FILL );
 	
 	if ( ! fixed_start )