diff --git a/packages/font-glyphs/src/letter/greek/phi.ptl b/packages/font-glyphs/src/letter/greek/phi.ptl
index 95bb7de2e..7aea43324 100644
--- a/packages/font-glyphs/src/letter/greek/phi.ptl
+++ b/packages/font-glyphs/src/letter/greek/phi.ptl
@@ -14,11 +14,10 @@ glyph-block Letter-Greek-Phi : begin
 	define [VarPhiRing fFlatTB df y2 y3 ada adb] : glyph-proc
 		include : VBar.m df.middle y2 y3 df.mvs
 		include : if fFlatTB
-			OShapeFlatTB y3 y2 df.leftSB df.rightSB df.mvs ada adb
-				Math.max
-					(df.rightSB - df.leftSB) - (y3 - y2)
-					(df.rightSB - df.leftSB) * 0.25
-					HSwToV df.mvs
+			OShapeFlatTB y3 y2 df.leftSB df.rightSB df.mvs ada adb : Math.max
+				(df.rightSB - df.leftSB) - (y3 - y2)
+				(df.rightSB - df.leftSB) * 0.25
+				HSwToV df.mvs
 			OShape y3 y2 df.leftSB df.rightSB df.mvs ada adb
 
 	define [CyrlEfSplitRing fFlatTB df y2 y3 ada adb] : glyph-proc