diff --git a/connector/runc.go b/connector/runc.go
index 7121333..28db9d6 100644
--- a/connector/runc.go
+++ b/connector/runc.go
@@ -195,7 +195,7 @@ func readRuncOpts() (RuncOpts, error) {
 	// read runc root path
 	root := os.Getenv("RUNC_ROOT")
 	if root == "" {
-		return opts, fmt.Errorf("RUNC_ROOT not set")
+		root = "/run/runc"
 	}
 	abs, err := filepath.Abs(root)
 	if err != nil {
diff --git a/main.go b/main.go
index 1a81cfc..1b01fea 100644
--- a/main.go
+++ b/main.go
@@ -110,7 +110,7 @@ func Shutdown() {
 
 func validConnector(s string) {
 	if _, ok := enabledConnectors[s]; !ok {
-		fmt.Printf("invalid connector type: %s", s)
+		fmt.Printf("invalid connector type: %s\n", s)
 		var connectors []string
 		for k, _ := range enabledConnectors {
 			connectors = append(connectors, k)