diff --git a/lib/bcoin/config.js b/lib/bcoin/config.js
index 12066cb7..cbc5e9aa 100644
--- a/lib/bcoin/config.js
+++ b/lib/bcoin/config.js
@@ -122,7 +122,7 @@ config.parseData = function parseData(data) {
   // Logger
   options.logLevel = str(data.loglevel);
   options.logConsole = bool(data.logconsole);
-  options.logFile = boolstr(data.logfile);
+  options.logFile = boolpath(data.logfile);
 
   // Node
   options.prefix = path(data.prefix);
@@ -222,13 +222,13 @@ config.parseText = function parseText(text) {
     }
 
     key = key.replace(/\-/g, '').toLowerCase();
-    alias = config.alias.conf[key];
 
+    alias = config.alias.conf[key];
     if (alias)
       key = alias;
 
     if (value.length === 0)
-      value = null;
+      continue;
 
     data[key] = value;
   }
@@ -246,11 +246,8 @@ config.parseArg = function parseArg(argv) {
   var data = {};
   var arg, key, value, alias;
 
-  if (!argv) {
-    if (utils.isBrowser)
-      return data;
+  if (!argv)
     argv = process.argv;
-  }
 
   argv = argv.slice();
 
@@ -261,17 +258,25 @@ config.parseArg = function parseArg(argv) {
       // e.g. --opt
       arg = arg.split('=');
       key = arg[0];
+
       if (arg.length > 1) {
         // e.g. --opt=val
         value = arg.slice(1).join('=').trim();
       } else {
         value = 'true';
       }
+
       key = key.replace(/\-/g, '');
+
       alias = config.alias.arg[key];
       if (alias)
         key = alias;
+
+      if (value.length === 0)
+        continue;
+
       data[key] = value;
+
       continue;
     }
 
@@ -291,8 +296,14 @@ config.parseArg = function parseArg(argv) {
     }
 
     // e.g. foo
-    if (key)
-      data[key] = arg;
+    if (key) {
+      value = arg.trim();
+
+      if (value.length === 0)
+        continue;
+
+      data[key] = value;
+    }
   }
 
   return config.parseData(data);
@@ -319,15 +330,18 @@ config.parseEnv = function parseEnv(env) {
     if (key.indexOf('BCOIN_') !== 0)
       continue;
 
-    value = env[key];
+    value = env[key].trim();
 
     key = key.substring(6);
     key = key.replace(/_/g, '').toLowerCase();
-    alias = config.alias.env[key];
 
+    alias = config.alias.env[key];
     if (alias)
       key = alias;
 
+    if (value.length === 0)
+      continue;
+
     data[key] = value;
   }
 
@@ -353,14 +367,21 @@ function path(value) {
 function bool(value) {
   if (!value)
     return null;
-  return value === 'true' || value === '1';
+
+  if (value === 'true' || value === '1')
+    return true;
+
+  if (value === 'false' || value === '0')
+    return false;
+
+  return null;
 }
 
 function num(value) {
-  if (value == null)
+  if (!value)
     return null;
 
-  value = parseInt(value, 10);
+  value = +value;
 
   if (!isFinite(value))
     return null;
@@ -368,7 +389,7 @@ function num(value) {
   return value;
 }
 
-function boolstr(value) {
+function boolpath(value) {
   if (!value)
     return null;
 
@@ -385,14 +406,12 @@ function file(value) {
   if (!fs)
     return null;
 
+  value = path(value);
+
   if (!value)
     return null;
 
-  try {
-    return fs.readFileSync(path(value));
-  } catch (e) {
-    return null;
-  }
+  return fs.readFileSync(value);
 }
 
 function readFile(file) {