diff --git a/server/config.js b/server/config.js
index ad70823..a3388d1 100644
--- a/server/config.js
+++ b/server/config.js
@@ -126,8 +126,18 @@ if (fs.existsSync(configJSONFile)) {
     process.exit(1);
 }
 
+function stripTrailingSlash(obj, field) {
+    var url = obj[field];
+    if (_.isString(url) && _.last(url) === '/') {
+        obj[field] = url.substr(0, url.length - 1);
+    }
+}
+
 var config = deepExtend({}, defaultConfig, configJSON);
 
+stripTrailingSlash(config.server, 'baseUrl');
+stripTrailingSlash(config.client.map, 'mapUrl');
+
 module.exports = config;
 
 angular.module('ffffng').constant('config', config);