diff --git a/lib/bcoin/env.js b/lib/bcoin/env.js
index 8e4573ca..d0bea69b 100644
--- a/lib/bcoin/env.js
+++ b/lib/bcoin/env.js
@@ -208,14 +208,14 @@ Environment.prototype.set = function set(options) {
 
   options = utils.merge({}, options);
 
-  options.prefix = options.prefix
-    || process.env.BCOIN_PREFIX
-    || utils.HOME + '/.bcoin';
-
   options.network = options.network
     || process.env.BCOIN_NETWORK
     || 'main';
 
+  options.prefix = options.prefix
+    || process.env.BCOIN_PREFIX
+    || utils.HOME + '/.bcoin/' + options.network;
+
   if (!options.db)
     options.db = process.env.BCOIN_DB;
 
@@ -244,7 +244,7 @@ Environment.prototype.set = function set(options) {
     options.workerTimeout = +process.env.BCOIN_WORKER_TIMEOUT;
 
   if (options.debugFile && typeof options.debugFile !== 'string')
-    options.debugFile = options.prefix + '/debug-' + options.network + '.log';
+    options.debugFile = options.prefix + '/debug.log';
 
   this.prefix = options.prefix;
   this.networkType = options.network;
@@ -284,14 +284,7 @@ Environment.prototype.ensurePrefix = function ensurePrefix() {
 
   this._ensured = true;
 
-  try {
-    fs.statSync(this.prefix);
-  } catch (e) {
-    if (e.code === 'ENOENT')
-      fs.mkdirSync(this.prefix, 488 /* 0750 */);
-    else
-      throw e;
-  }
+  mkdirp(this.prefix);
 };
 
 /**
@@ -376,7 +369,7 @@ Environment.prototype.write = function write(msg) {
     this._debug = fs.createWriteStream(this.debugFile, { flags: 'a' });
   }
 
-  this._debug.write(process.pid + ': ' + msg + '\n');
+  this._debug.write(process.pid + ' (' + utils.date() + '): ' + msg + '\n');
 };
 
 /**
@@ -388,6 +381,47 @@ Environment.prototype.now = function now() {
   return this.time.now();
 };
 
+/**
+ * Create a full directory structure.
+ * @param {String} dir
+ */
+
+function mkdirp(dir) {
+  var path = require('path');
+  var i, parts, name;
+
+  if (!fs)
+    return;
+
+  dir = path.normalize(dir);
+  dir = dir.replace(/\\/g, '/');
+  dir = dir.replace(/\/$/, '');
+  parts = dir.split('/');
+
+  for (i = 0; i < parts.length; i++) {
+    if (i === 0) {
+      if (process.platform === 'win32') {
+        if (parts[0].indexOf(':') !== -1)
+          continue;
+      } else {
+        if (parts[0].length === 0)
+          continue;
+      }
+    }
+
+    name = parts.slice(0, i + 1).join('/');
+
+    try {
+      fs.statSync(name);
+    } catch (e) {
+      if (e.code === 'ENOENT')
+        fs.mkdirSync(name, 488 /* 0750 */);
+      else
+        throw e;
+    }
+  }
+}
+
 /*
  * Expose by converting `exports` to an
  * Environment.
diff --git a/lib/bcoin/ldb.js b/lib/bcoin/ldb.js
index acdac7ef..44600bc4 100644
--- a/lib/bcoin/ldb.js
+++ b/lib/bcoin/ldb.js
@@ -117,13 +117,7 @@ ldb.getLocation = function getLocation(options) {
   if (options.location)
     return options.location;
 
-  return bcoin.prefix
-    + '/'
-    + options.name
-    + '-'
-    + bcoin.network.get(options.network).type
-    + '.'
-    + backend.ext;
+  return bcoin.prefix + '/' + options.name + '.' + backend.ext;
 };
 
 /**