diff --git a/Tuprules.lua b/Tuprules.lua
index b2169b79..b5413c47 100644
--- a/Tuprules.lua
+++ b/Tuprules.lua
@@ -24,6 +24,4 @@ function compresspng(filename, opts)
     return cmds
 end
 
-function makecmd(cmds)
-    return table.concat(flatten(cmds), " && ")
-end
+
diff --git a/util/tup-ext.lua b/util/tup-ext.lua
index 0f31de0d..9f04ed31 100644
--- a/util/tup-ext.lua
+++ b/util/tup-ext.lua
@@ -33,3 +33,7 @@ function symlink(input, output)
         output
     )
 end
+
+function makecmd(cmds)
+    return table.concat(flatten(cmds), " && ")
+end