diff --git a/internal/librarymaintenance/dockerapi.go b/internal/librarymaintenance/dockerapi.go
index 88af4c6..e2de768 100644
--- a/internal/librarymaintenance/dockerapi.go
+++ b/internal/librarymaintenance/dockerapi.go
@@ -78,11 +78,10 @@ func (d *dockerAPI) listProject(ctx context.Context, project string) ([]containe
 }
 
 type containerState struct {
-	ID     string            `json:"Id"`
-	Labels map[string]string `json:"Config"`
+	ID     string `json:"Id"`
 	Config struct {
 		Labels map[string]string `json:"Labels"`
-	} `json:"-"`
+	} `json:"Config"`
 	State struct {
 		Running  bool
 		Status   string