diff --git a/app.js b/app.js
index 3869c8df9b..e90539c95a 100644
--- a/app.js
+++ b/app.js
@@ -90,7 +90,7 @@ function loadConfig() {
 	nconf.defaults({
 		base_dir: __dirname,
 		themes_path: path.join(__dirname, 'node_modules'),
-		upload_url: '/uploads/',
+		upload_url: nconf.get('relative_path') + '/uploads/',
 		views_dir: path.join(__dirname, 'public/templates')
 	});
 
diff --git a/public/src/modules/composer/uploads.js b/public/src/modules/composer/uploads.js
index 54822aa681..46b0277bcd 100644
--- a/public/src/modules/composer/uploads.js
+++ b/public/src/modules/composer/uploads.js
@@ -213,7 +213,7 @@ define('composer/uploads', ['composer/preview'], function(preview) {
 			text = textarea.val(),
 			uploadForm = postContainer.find('#fileForm');
 
-		uploadForm.attr('action', params.route);
+		uploadForm.attr('action', config.relative_path + params.route);
 
 		for(var i = 0; i < files.length; ++i) {
 			var isImage = files[i].type.match(/image./);
@@ -288,7 +288,7 @@ define('composer/uploads', ['composer/preview'], function(preview) {
 			spinner = postContainer.find('.topic-thumb-spinner'),
 			thumbForm = postContainer.find('#thumbForm');
 
-		thumbForm.attr('action', params.route);
+		thumbForm.attr('action', config.relative_path + params.route);
 
 		thumbForm.off('submit').submit(function() {
 			var csrf = $('#csrf').attr('data-csrf');
diff --git a/src/categories.js b/src/categories.js
index 6b5705b33f..bf0a94fde9 100644
--- a/src/categories.js
+++ b/src/categories.js
@@ -174,7 +174,7 @@ var async = require('async'),
 		}
 
 		if (category.image) {
-			category.backgroundImage = category.image ? nconf.get('relative_path') + category.image : '';
+			category.backgroundImage = category.image;
 		}
 
 		callback(null, category);