diff --git a/importer/indico_importer/controllers.py b/importer/indico_importer/controllers.py
index 74e42fc..91e518b 100644
--- a/importer/indico_importer/controllers.py
+++ b/importer/indico_importer/controllers.py
@@ -16,30 +16,21 @@
 
 from __future__ import unicode_literals
 
-from flask import jsonify
+from flask import jsonify, request
 from flask_pluginengine import current_plugin
 
 from MaKaC.webinterface.rh.base import RHProtected
 
 
-class RHDataImport(RHProtected):
-    """
-    Fetches data from the specified importer plugin.
-    Arguments:
-    importer - name of an importer plugin being used
-    query - string used in importer's search phrase
-    size - number of returned queries
-    """
-    def process(self, params):
-        importer = current_plugin.importer_engines.get(params['importer_name'])
-        if not importer:
-            return jsonify(dict(success=False))
-        query = params.get('query')
-        size = params.get('size', 10)
-        return importer.import_data(query, size)
-
-
 class RHGetImporters(RHProtected):
-    def process(self, params):
+    def _process(self):
         importers = {k: v.name for k, v in current_plugin.importer_engines.iteritems()}
         return jsonify(importers)
+
+
+class RHImportData(RHProtected):
+    def _process(self):
+        size = request.form.get('size', 10)
+        query = request.form.get('query')
+        importer = current_plugin.importer_engines.get(request.view_args['importer_name'])
+        return importer.import_data(query, size)
diff --git a/importer/indico_importer/plugin.py b/importer/indico_importer/plugin.py
index 0547aaf..007caef 100644
--- a/importer/indico_importer/plugin.py
+++ b/importer/indico_importer/plugin.py
@@ -20,7 +20,7 @@ from indico.core import signals
 from indico.core.plugins import IndicoPlugin, IndicoPluginBlueprint, plugin_url_rule_to_js
 from MaKaC.webinterface.pages.conferences import WPConfModifScheduleGraphic
 
-from .controllers import RHDataImport, RHGetImporters
+from .controllers import RHGetImporters, RHImportData
 
 
 class ImporterPlugin(IndicoPlugin):
@@ -58,5 +58,5 @@ class ImporterPlugin(IndicoPlugin):
 
 
 blueprint = IndicoPluginBlueprint('importer', __name__)
-blueprint.add_url_rule('/import/<importer_name>', 'import_data', RHDataImport, methods=('GET', 'POST'))
-blueprint.add_url_rule('/importers', 'importers', RHGetImporters, methods=('GET', 'POST'))
+blueprint.add_url_rule('/importers/<importer_name>/search', 'import_data', RHImportData, methods=('POST',))
+blueprint.add_url_rule('/importers/', 'importers', RHGetImporters)
diff --git a/importer/indico_importer/static/js/importer.js b/importer/indico_importer/static/js/importer.js
index e538a5d..0c1a67f 100644
--- a/importer/indico_importer/static/js/importer.js
+++ b/importer/indico_importer/static/js/importer.js
@@ -218,7 +218,7 @@ type("ImportDialog", ["ExclusivePopupWithButtons", "PreLoadHandler"], {
                 var self = this;
                 $.ajax({
                     url: build_url(ImporterPlugin.urls.importers, {}),
-                    type: 'POST',
+                    type: 'GET',
                     dataType: 'json',
                     success: function(data) {
                         if (handleAjaxError(data)) {
@@ -652,7 +652,6 @@ type("ImporterListWidget", ["SelectableListWidget"], {
          */
         _searchBase: function(query, importer, size, successFunc, callbacks) {
             var self = this;
-            var killProgress = IndicoUI.Dialogs.Util.progress();
             $.ajax({
                 // One more entry is fetched to be able to check if it's possible to fetch
                 // more entries in case of further requests.
@@ -661,17 +660,15 @@ type("ImporterListWidget", ["SelectableListWidget"], {
                                                                  'size': size + 1}),
                 type: 'POST',
                 dataType: 'json',
+                complete: IndicoUI.Dialogs.Util.progress(),
                 success: function(data) {
                     if (handleAjaxError(data)) {
                         return;
                     }
-                    if (data.success) {
-                        successFunc(data.result);
-                    }
-                    each(callbacks, function(callback) {
+                    successFunc(data.result);
+                    _.each(callbacks, function(callback) {
                         callback();
                     });
-                    killProgress();
                 }
             });
             //Saves last request data