--- a/debian/patches/reproducible-build.patch	1970-01-01 01:00:00.000000000 +0100
--- b/debian/patches/reproducible-build.patch	2020-09-10 11:36:20.876397860 +0100
@@ -0,0 +1,15 @@
+Description: Make the build reproducible
+Author: Chris Lamb <lamby@debian.org>
+Last-Update: 2020-09-10
+
+--- cif2cell-2.0.0a1+dfsg.orig/binaries/cif2cell
++++ cif2cell-2.0.0a1+dfsg/binaries/cif2cell
+@@ -61,7 +61,7 @@ vcaprograms = set(["castep","vasp"])
+ #
+ setupallprogs = set(["vasp","pwscf","quantum-espresso","rspt","mopac"])
+ setupallstring = ""
+-for p in setupallprogs:
++for p in sorted(setupallprogs):
+     setupallstring += p+", "
+ setupallstring = setupallstring.rstrip(", ")
+ #
--- a/debian/patches/series	2020-09-10 11:11:34.294233658 +0100
--- b/debian/patches/series	2020-09-10 11:36:20.028393989 +0100
@@ -1,2 +1,3 @@
 shebang.patch
 tests.patch
+reproducible-build.patch