diff --git a/pkgs/write-fennel/default.nix b/pkgs/write-fennel/default.nix
index e27095d..25be271 100644
--- a/pkgs/write-fennel/default.nix
+++ b/pkgs/write-fennel/default.nix
@@ -7,15 +7,19 @@
 name:
 {
   packages ? [ ],
+  macros ? [ ],
   correlate ? false,
   mainFunction ? null,
 }:
 source:
 let
-  luapath = builtins.map (
+  inherit (builtins) concatStringsSep map;
+  luapath = map (
     f: "${f}/share/lua/${lua.luaversion}/?.lua;" + "${f}/share/lua/${lua.luaversion}/?/init.lua;"
   ) packages;
-  luacpath = builtins.map (f: "${f}/lib/lua/${lua.luaversion}/?.so;") packages;
+  luacpath = map (f: "${f}/lib/lua/${lua.luaversion}/?.so;") packages;
+  macropath = concatStringsSep ";"
+    (map (f: "${f}/share/lua/${lua.luaversion}/?.fnl") macros);
   luaFlags = lib.optionalString (mainFunction != null) "-e dofile(arg[0]).${mainFunction}()";
 in
 stdenv.mkDerivation {
@@ -25,12 +29,13 @@ stdenv.mkDerivation {
   buildPhase = ''
     (
      echo "#!${lua}/bin/lua ${luaFlags}"
-     echo "package.path = ${lib.strings.escapeShellArg (builtins.concatStringsSep "" luapath)} .. package.path"
-     echo "package.cpath = ${lib.strings.escapeShellArg (builtins.concatStringsSep "" luacpath)} .. package.cpath"
+     echo "package.path = ${lib.strings.escapeShellArg (concatStringsSep "" luapath)} .. package.path"
+     echo "package.cpath = ${lib.strings.escapeShellArg (concatStringsSep "" luacpath)} .. package.cpath"
      echo "local ok, stdlib = pcall(require,'posix.stdlib'); if ok then stdlib.setenv('PATH',${lib.escapeShellArg (lib.makeBinPath packages)} .. \":\" .. os.getenv('PATH')) end"
      echo "local ok, ll = pcall(require,'lualinux'); if ok then ll.setenv('PATH',${lib.escapeShellArg (lib.makeBinPath packages)} .. \":\" .. os.getenv('PATH')) end"
-     fennel ${if correlate then "--correlate" else ""} --compile ${source}
+     fennel ${if macropath != "" then "--add-macro-path ${lib.strings.escapeShellArg macropath}" else ""}  ${if correlate then "--correlate" else ""} --compile ${source} 
     ) >  ${name}.lua
+
   '';
   installPhase = ''
     cp ${name}.lua $out