diff --git a/Makefile b/Makefile
index 92d69d9..9d13e5b 100644
--- a/Makefile
+++ b/Makefile
@@ -48,9 +48,7 @@ root/usr/lib/x86_64-linux-gnu/libgmp.so.10: | root/usr/lib/x86_64-linux-gnu
 	@cp -L /usr/lib/x86_64-linux-gnu/libgmp.so.10 root/usr/lib/x86_64-linux-gnu/
 
 image: | root/bin/sh root/lib/x86_64-linux-gnu/libm.so.6 root/lib/x86_64-linux-gnu/libz.so.1 root/lib/x86_64-linux-gnu/libdl.so.2 root/lib/x86_64-linux-gnu/libc.so.6 root/lib/x86_64-linux-gnu/libc.so.6 root/lib/x86_64-linux-gnu/libpthread.so.0 root/lib/x86_64-linux-gnu/librt.so.1 root/lib64/ld-linux-x86-64.so.2 root/usr/lib/x86_64-linux-gnu/gconv/UTF-16.so root/usr/lib/x86_64-linux-gnu/gconv/UTF-32.so root/usr/lib/x86_64-linux-gnu/gconv/UTF-7.so root/usr/lib/x86_64-linux-gnu/gconv/gconv-modules root/usr/lib/x86_64-linux-gnu/gconv/gconv-modules.cache root/usr/lib/x86_64-linux-gnu/libffi.so.6 root/usr/lib/x86_64-linux-gnu/libgmp.so.10
-	@(docker images|grep -e '^empty' >/dev/null 2>&1) || \
-		(tar cv --files-from >/dev/null 2>&1|docker import - empty)
-	@docker build -t haskell-scratch .
+	@tar -cC root .|docker import - haskell-scratch
 
 clean:
 	@rm -rf root