diff --git a/glyphs/letters-unified-basic.ptl b/glyphs/letters-unified-basic.ptl
index 3602100..b6daaf4 100644
--- a/glyphs/letters-unified-basic.ptl
+++ b/glyphs/letters-unified-basic.ptl
@@ -2356,7 +2356,7 @@ define {LongSShape} : symbol-block 'f'
 			g4 r (CAP - HOOK)
 			hookstart (CAP - O)
 			flat m (CAP - SMOOTHA)
-			curl m 0
+			curl m 0 [heading DOWNWARD]
 		set-anchor 'overlay' BASE (m + STROKE * 0.65 * HVCONTRAST) (CAP * BARPOS)
 		if SLAB : begin
 			include : tagged 'serifLB' : CenterBottomSerif (m + HALFSTROKE * HVCONTRAST + RBALANCE * 0.35) 0 (JUT + RBALANCE * 0.65)