diff --git a/app/views/api/v1/projects/pipelines/build_pipeline.yaml.erb b/app/views/api/v1/projects/pipelines/build_pipeline.yaml.erb
index 41908c8f5..02b40f71d 100644
--- a/app/views/api/v1/projects/pipelines/build_pipeline.yaml.erb
+++ b/app/views/api/v1/projects/pipelines/build_pipeline.yaml.erb
@@ -19,6 +19,7 @@ on:
   <% end %>
   <%if node.name.to_s.include?("on-pull_request") %>
   pull_request:
+    types: [opened, reopened]
   <% end %>
   <%if node.name.to_s.include?("on-fork") %>
   fork: