diff --git a/Lib/fontTools/ttLib/tables/_k_e_r_n.py b/Lib/fontTools/ttLib/tables/_k_e_r_n.py
index 283c52fbf..2c63863f7 100644
--- a/Lib/fontTools/ttLib/tables/_k_e_r_n.py
+++ b/Lib/fontTools/ttLib/tables/_k_e_r_n.py
@@ -1,6 +1,6 @@
 import DefaultTable
 import struct
-import ttLib.sfnt
+from fontTools.ttLib import sfnt
 from fontTools.misc.textTools import safeEval, readHex
 
 
@@ -90,7 +90,7 @@ class KernTable_format_0:
 	
 	def compile(self, ttFont):
 		nPairs = len(self.kernTable)
-		entrySelector = ttLib.sfnt.maxpoweroftwo(nPairs)
+		entrySelector = sfnt.maxpoweroftwo(nPairs)
 		searchRange = (2 ** entrySelector) * 6
 		rangeShift = (nPairs - (2 ** entrySelector)) * 6
 		data = struct.pack(">HHHH", nPairs, searchRange, entrySelector, rangeShift)