diff --git a/plinth/modules/monkeysphere/urls.py b/plinth/modules/monkeysphere/urls.py
index e02bfbb17..426c6caae 100644
--- a/plinth/modules/monkeysphere/urls.py
+++ b/plinth/modules/monkeysphere/urls.py
@@ -26,7 +26,7 @@ from . import views
 
 urlpatterns = [
     url(r'^sys/monkeysphere/$', views.index, name='index'),
-    url(r'^sys/monkeysphere/(?P<ssh_fingerprint>[0-9A-Fa-f:]+)/import/$',
+    url(r'^sys/monkeysphere/(?P<ssh_fingerprint>[0-9A-Za-z:+/]+)/import/$',
         views.import_key, name='import'),
     url(r'^sys/monkeysphere/(?P<fingerprint>[0-9A-Fa-f]+)/details/$',
         views.details, name='details'),