1 files changed, 2 insertions, 2 deletions
diff --git a/lib/api/v3/triggers.rb b/lib/api/v3/triggers.rb
index 1dfdb6a5956..a23d6b6b48c 100644
--- a/lib/api/v3/triggers.rb
+++ b/lib/api/v3/triggers.rb
@@ -6,7 +6,7 @@ module API
       params do
         requires :id, type: String, desc: 'The ID of a project'
       end
-      resource :projects do
+      resource :projects, requirements: { id: %r{[^/]+} } do
         desc 'Trigger a GitLab project build' do
           success ::API::V3::Entities::TriggerRequest
         end
@@ -15,7 +15,7 @@ module API
           requires :token, type: String, desc: 'The unique token of trigger'
           optional :variables, type: Hash, desc: 'The list of variables to be injected into build'
         end
-        post ":id/(ref/:ref/)trigger/builds" do
+        post ":id/(ref/:ref/)trigger/builds", requirements: { ref: /.+/ } do
           project = find_project(params[:id])
           trigger = Ci::Trigger.find_by_token(params[:token].to_s)
           not_found! unless project && trigger