diff --git a/components/gitpod-protocol/go/gitpod-service.go b/components/gitpod-protocol/go/gitpod-service.go
index a8dec710be782e..fc879f3fc34ee4 100644
--- a/components/gitpod-protocol/go/gitpod-service.go
+++ b/components/gitpod-protocol/go/gitpod-service.go
@@ -2253,7 +2253,7 @@ type Project struct {
 type ProjectSettings struct {
 	EnablePrebuilds              *bool                     `json:"enablePrebuilds,omitempty"`
 	PrebuildDefaultBranchOnly    *bool                     `json:"prebuildDefaultBranchOnly,omitempty"`
-	PrebuildBranchPattern        *bool                     `json:"prebuildBranchPattern,omitempty"`
+	PrebuildBranchPattern        *string                   `json:"prebuildBranchPattern,omitempty"`
 	UseIncrementalPrebuilds      bool                      `json:"useIncrementalPrebuilds,omitempty"`
 	UsePersistentVolumeClaim     bool                      `json:"usePersistentVolumeClaim,omitempty"`
 	KeepOutdatedPrebuildsRunning bool                      `json:"keepOutdatedPrebuildsRunning,omitempty"`