diff --git a/api/convert.go b/api/convert.go
index cb2c748..a28166e 100644
--- a/api/convert.go
+++ b/api/convert.go
@@ -389,7 +389,7 @@ func countReaction(reactions []*gitea.Reaction, reactionType string) int {
 	return count
 }
 
-func translatePrAction(action structs.HookIssueAction) string {
+func translatePrAction(action structs.HookIssueAction, prefix bool) string {
 	translatedAction := ""
 
 	switch action {
@@ -429,7 +429,9 @@ func translatePrAction(action structs.HookIssueAction) string {
 		translatedAction = "unknown_action"
 	}
 
-	translatedAction = fmt.Sprintf("pull_request.%s", translatedAction)
+	if prefix {
+		translatedAction = fmt.Sprintf("pull_request.%s", translatedAction)
+	}
 
 	return translatedAction
 }
diff --git a/api/convert_event.go b/api/convert_event.go
index cf0d402..b9943f9 100644
--- a/api/convert_event.go
+++ b/api/convert_event.go
@@ -15,7 +15,7 @@ func convertPullRequestEvent(event *structs.PullRequestPayload) *github.PullRequ
 	}
 
 	return &github.PullRequestEvent{
-		Action:            stringPtr(translatePrAction(event.Action)),
+		Action:            stringPtr(translatePrAction(event.Action, false)),
 		PullRequest:       convertPullRequest(event.PullRequest),
 		Repo:              convertCoreRepo(event.Repository),
 		Assignee:          convertCoreUser(event.PullRequest.Assignee),
diff --git a/api/webhook_manager.go b/api/webhook_manager.go
index f8c72c2..1d2e478 100644
--- a/api/webhook_manager.go
+++ b/api/webhook_manager.go
@@ -30,7 +30,7 @@ func NewWebhookManager(cfg *config.Config, db *gorm.DB, logger *zap.Logger) *Web
 
 func (whm *WebhookManager) HandlePullRequest(request *giteaTypes.PullRequestPayload, r *http.Request) {
 	ghEvent := convertPullRequestEvent(request)
-	githubAction := translatePrAction(request.Action)
+	githubAction := translatePrAction(request.Action, true)
 	r.Header.Set("X-GitHub-Event", githubAction)
 
 	whm.sendWebhooks(ghEvent, r)