diff --git a/app/controllers/crawlers/courses_crawler_controller.rb b/app/controllers/crawlers/courses_crawler_controller.rb
index 7e644fb..3346345 100644
--- a/app/controllers/crawlers/courses_crawler_controller.rb
+++ b/app/controllers/crawlers/courses_crawler_controller.rb
@@ -29,11 +29,19 @@ class Crawlers::CoursesCrawlerController < Crawlers::TissCrawlerController
     @lecturers_oid = @course['lecturers']['oid']
     @lecturers_names = []
 
+    puts @lecturers_oid
+
     if @lecturers_oid != nil
-      @lecturers_oid.each do |item|
-        # For each org id get the associated name
-        puts TissCrawler.get_oid_name(item)
-        @lecturers_names << (TissCrawler.get_oid_name(item))
+      if @lecturers_oid.is_a?(Array)
+        # In case @lecturers_oid contains multiple items
+        @lecturers_oid.each do |item|
+          # For each org id get the associated name
+          puts TissCrawler.get_oid_name(item)
+          @lecturers_names << (TissCrawler.get_oid_name(item))
+        end
+      else
+        # In case @lecturers_oid only contains one item
+        @lecturers_names << (TissCrawler.get_oid_name(@lecturers_oid))
       end
     end