diff --git a/internal/osbuild/ostree_source.go b/internal/osbuild/ostree_source.go
index adc357eff..a2f96a3b4 100644
--- a/internal/osbuild/ostree_source.go
+++ b/internal/osbuild/ostree_source.go
@@ -15,5 +15,5 @@ type OSTreeSourceRemote struct {
 	// URL of the repository.
 	URL string `json:"url"`
 	// GPG keys to verify the commits
-	GPGKeys []string `json:"secrets,omitempty"`
+	GPGKeys []string `json:"gpgkeys,omitempty"`
 }