diff --git a/js/appinfo.js b/js/appinfo.js
index 151227f45..613d15379 100644
--- a/js/appinfo.js
+++ b/js/appinfo.js
@@ -27,14 +27,19 @@ var AppInfo = {
         // then map each file to a command to load into storage
         fileContents.forEach(storageFile => {
           // format ready for Espruino
-          var js;
           if (storageFile.evaluate) {
-            js = storageFile.content.trim();
+            let js = storageFile.content.trim();
             if (js.endsWith(";"))
               js = js.slice(0,-1);
-          } else
-            js = toJS(storageFile.content);
-          storageFile.cmd = `\x10require('Storage').write(${toJS(storageFile.name)},${js});`;
+            storageFile.cmd = `\x10require('Storage').write(${toJS(storageFile.name)},${js});`;
+          } else {
+            let code = storageFile.content;
+            // write code in chunks, in case it is too big to fit in RAM (fix #157)
+            var CHUNKSIZE = 4096;
+            storageFile.cmd = `\x10require('Storage').write(${toJS(storageFile.name)},${toJS(code.substr(0,CHUNKSIZE))},0,${code.length});`;
+            for (var i=CHUNKSIZE;i<code.length;i+=CHUNKSIZE)
+               storageFile.cmd += `\n\x10require('Storage').write(${toJS(storageFile.name)},${toJS(code.substr(i,CHUNKSIZE))},${i});`;
+          }
         });
         resolve(fileContents);
       }).catch(err => reject(err));