diff --git a/lib/from-sigil-link.js b/lib/from-sigil-link.js
index 9104e52..2d16d4e 100644
--- a/lib/from-sigil-link.js
+++ b/lib/from-sigil-link.js
@@ -1,9 +1,6 @@
-var fs = require('fs')
 var ohm = require('ohm-js')
-var path = require('path')
 
-const grammarPath = path.join(__dirname, './grammar/ssb-sigil-link.ohm')
-var g = ohm.grammar(fs.readFileSync(grammarPath))
+var g = ohm.grammar(require('./grammar/ssb-sigil-link.ohm'))
 
 const sigils = {
   '@': 'feed',
diff --git a/lib/grammar/ssb-sigil-link.ohm b/lib/grammar/ssb-sigil-link.ohm.js
similarity index 91%
rename from lib/grammar/ssb-sigil-link.ohm
rename to lib/grammar/ssb-sigil-link.ohm.js
index cdb0f7e..c0a2764 100644
--- a/lib/grammar/ssb-sigil-link.ohm
+++ b/lib/grammar/ssb-sigil-link.ohm.js
@@ -1,3 +1,4 @@
+module.exports = `
 ssbSigilLink {
 
   sigilLink = sigil base64 "." commonAlgorithm
@@ -14,3 +15,4 @@ ssbSigilLink {
       | "="
     )*
 }
+`
\ No newline at end of file
diff --git a/lib/grammar/ssb-uri.ohm b/lib/grammar/ssb-uri.ohm.js
similarity index 92%
rename from lib/grammar/ssb-uri.ohm
rename to lib/grammar/ssb-uri.ohm.js
index 0900dad..a89f5f2 100644
--- a/lib/grammar/ssb-uri.ohm
+++ b/lib/grammar/ssb-uri.ohm.js
@@ -1,3 +1,4 @@
+module.exports = `
 ssbURI {
 
   uriCommon =
@@ -20,3 +21,4 @@ ssbURI {
   base64 = alnum | "-" | "_" | "="
 
 }
+`
diff --git a/lib/to-sigil-link.js b/lib/to-sigil-link.js
index 14839a5..b30a9aa 100644
--- a/lib/to-sigil-link.js
+++ b/lib/to-sigil-link.js
@@ -1,9 +1,6 @@
-var fs = require('fs')
-var path = require('path')
 var ohm = require('ohm-js')
 
-const grammarPath = path.join(__dirname, './grammar/ssb-uri.ohm')
-var g = ohm.grammar(fs.readFileSync(grammarPath))
+var g = ohm.grammar(require('./grammar/ssb-uri.ohm'))
 
 const sigils = {
   feed: '@',