Index: branches/5.2.x/core/admin_templates/js/jquery/thickbox/thickbox.js
===================================================================
diff -u -N -r14572 -r15042
--- branches/5.2.x/core/admin_templates/js/jquery/thickbox/thickbox.js	(.../thickbox.js)	(revision 14572)
+++ branches/5.2.x/core/admin_templates/js/jquery/thickbox/thickbox.js	(.../thickbox.js)	(revision 15042)
@@ -659,6 +659,10 @@
 			var $iframe = $('#' + TB.getId('TB_iframeContent'));
 			$iframe.width( $iframe.width() + $width_diff );
 			$iframe.height( $iframe.height() + $height_diff );
+
+			if ( $('#scroll_container').length == 1 ) {
+				Form.Resize();
+			}
 		}
 	);