diff --git a/back-office/app/controllers/items_controller.rb b/back-office/app/controllers/items_controller.rb
index c6f6994..7599fe9 100644
--- a/back-office/app/controllers/items_controller.rb
+++ b/back-office/app/controllers/items_controller.rb
@@ -46,35 +46,37 @@ class ItemsController < ApplicationController
     @csv_content = params[:csv_content]
 
     @error_message = ""
-    @error_message = "Format of CSV is wrong (CSV content is empty)" if params[:csv_content] == ""
 
-    csv_parsed = CSV.parse(params[:csv_content])
-    csv_file = ItemsHelper::create_csv(csv_parsed)
+    if params[:csv_content] == ""
+      @error_message = "Format of CSV is wrong (CSV content is empty)"
+    else
+      csv_parsed = CSV.parse(params[:csv_content])
+      csv_file = ItemsHelper::create_csv(csv_parsed)
 
-    @output = ""
+      @output = ""
 
-    begin
-      ENV["INPUT"] = csv_file.path
+      begin
+        ENV["INPUT"] = csv_file.path
 
-      case params[:task]
-      when 'validate_items'
-        @output = ItemsHelper::execute_command("rake ribica:validate_items")
-        #ItemsHelper::execute_command("rake ribica:reindex")
-      when 'import_items'
-        @output = ItemsHelper::execute_command("rake ribica:import_items")
-        #ItemsHelper::execute_command("rake ribica:reindex")
-      when 'update_prices'
-        @output = ItemsHelper::execute_command("rake ribica:update_prices")
-        #ItemsHelper::execute_command("rake ribica:reindex")
-      else
-        @error_message = "There is no such task"
+        case params[:task]
+        when 'validate_items'
+          @output = ItemsHelper::execute_command("rake ribica:validate_items")
+          #ItemsHelper::execute_command("rake ribica:reindex")
+        when 'import_items'
+          @output = ItemsHelper::execute_command("rake ribica:import_items")
+          #ItemsHelper::execute_command("rake ribica:reindex")
+        when 'update_prices'
+          @output = ItemsHelper::execute_command("rake ribica:update_prices")
+          #ItemsHelper::execute_command("rake ribica:reindex")
+        else
+          @error_message = "There is no such task"
+        end
+      ensure
+        csv_file.unlink
       end
-    ensure
-      sleep 5
-      csv_file.unlink
-    end
 
-    @output = @output.join("<br/>")
+      @output = @output.join("<br/>")
+    end
 
     render :template => "items/export_import"
   end