diff --git a/interface.c b/interface.c
index 460ceb8..662552d 100644
--- a/interface.c
+++ b/interface.c
@@ -6,6 +6,13 @@
  */
 #include "interface.h"
 
+void interface_ensure_tslabel(struct interface *iface)
+{
+	if (!iface->ts_label[0]) {
+		strncpy(iface->ts_label, iface->name, MAX_IFNAME_SIZE);
+	}
+}
+
 int interface_get_tsinfo(struct interface *iface)
 {
 	return sk_get_ts_info(iface->ts_label, &iface->ts_info);
diff --git a/interface.h b/interface.h
index 05cfb10..371185d 100644
--- a/interface.h
+++ b/interface.h
@@ -24,6 +24,12 @@ struct interface {
 	struct sk_ts_info ts_info;
 };
 
+/**
+ * Ensures that an interface has a proper time stamping label.
+ * @param iface  The interface of interest.
+ */
+void interface_ensure_tslabel(struct interface *iface);
+
 /**
  * Populate the time stamping information of a given interface.
  * @param iface  The interface of interest.