diff --git a/Snippets/symfont.py b/Snippets/symfont.py
index a0a42b7fd..b4f34d3f6 100755
--- a/Snippets/symfont.py
+++ b/Snippets/symfont.py
@@ -24,7 +24,7 @@ n = 3 # Max Bezier degree; 3 for cubic, 2 for quadratic
 
 t, x, y = sp.symbols('t x y', real=True)
 
-P = tuple(sp.symbols('P[:%d][:2]' % (n+1), real=True))
+P = tuple(sp.symbols('p:%d[:2]' % (n+1), real=True))
 P = tuple(P[2*i:2*(i+1)] for i in range(len(P) // 2))
 
 # Cubic Bernstein basis functions
@@ -57,7 +57,8 @@ class BezierFuncs(object):
 
 	def __getitem__(self, i):
 		if i not in self._bezfuncs:
-			self._bezfuncs[i] = sp.lambdify('P', green(self._symfunc, Bezier=BezierCurve[i]))
+			args = ['p%d'%d for d in range(i+1)]
+			self._bezfuncs[i] = sp.lambdify(args, green(self._symfunc, Bezier=BezierCurve[i]))
 		return self._bezfuncs[i]
 
 _BezierFuncs = {}
@@ -88,21 +89,21 @@ class GreenPen(BasePen):
 
 	def _lineTo(self, p1):
 		p0 = self._getCurrentPoint()
-		self.value += self._funcs[1]((p0,p1))
+		self.value += self._funcs[1](p0,p1)
 
 	def _qCurveToOne(self, p1, p2):
 		p0 = self._getCurrentPoint()
-		self.value += self._funcs[2]((p0,p1,p2))
+		self.value += self._funcs[2](p0,p1,p2)
 
 	def _curveToOne(self, p1, p2, p3):
 		p0 = self._getCurrentPoint()
-		self.value += self._funcs[3]((p0,p1,p2,p3))
+		self.value += self._funcs[3](p0,p1,p2,p3)
 
 	def _closePath(self):
 		p0 = self._getCurrentPoint()
 		if p0 != self.__startPoint:
 			p1 = self.__startPoint
-			self.value += self._funcs[1]((p0,p1))
+			self.value += self._funcs[1](p0,p1)
 
 #AreaPen = partial(GreenPen, func=1)
 Moment1XPen = partial(GreenPen, func=x)