diff --git a/build.py b/build.py
index 73bd7720b..b345a5c91 100755
--- a/build.py
+++ b/build.py
@@ -5,8 +5,9 @@ import os
 from mibuild.platforms import m1
 from mibuild.tools import write_to_file
 
+from milkymist import cif
+
 import top
-import cif
 
 def main():
 	platform = m1.Platform()
diff --git a/cif.py b/milkymist/cif.py
similarity index 100%
rename from cif.py
rename to milkymist/cif.py
diff --git a/top.py b/top.py
index 6dbb0f541..fabfe6233 100644
--- a/top.py
+++ b/top.py
@@ -9,7 +9,7 @@ from migen.bank import csrgen
 from milkymist import m1crg, lm32, norflash, uart, s6ddrphy, dfii, asmicon, \
 	identifier, timer, minimac3, framebuffer, asmiprobe, dvisampler, \
 	counteradc, gpio
-from cif import get_macros
+from milkymist.cif import get_macros
 
 version = get_macros("common/version.h")["VERSION"][1:-1]