diff --git a/generate_single_file.js b/build.js
similarity index 100%
rename from generate_single_file.js
rename to build.js
diff --git a/join_js_files.sh b/join_js_files.sh
index 9a3128f..1c32399 100644
--- a/join_js_files.sh
+++ b/join_js_files.sh
@@ -8,4 +8,4 @@ SRC="src"
 # and thoose that use component.
 
 echo "" > $TARGET
-node generate_single_file.js
+node build.js true
diff --git a/package.json b/package.json
index 0a62638..f8a4319 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,8 @@
   ],
   "scripts": {
     "prepare": "npm run build",
-    "generate": "node generate_single_file.js true",
+    "postinstall": "node build.js true",
+    "generate": "node build.js true",
     "build": "npm run generate",
     "test": "echo \"Error: no test specified\" && exit 1"
   },