diff --git a/interface.c b/interface.c
index 3811679..d7eeb41 100644
--- a/interface.c
+++ b/interface.c
@@ -28,6 +28,11 @@ const char *interface_name(struct interface *iface)
 	return iface->name;
 }
 
+void interface_set_label(struct interface *iface, const char *label)
+{
+	strncpy(iface->ts_label, label, MAX_IFNAME_SIZE);
+}
+
 void interface_set_name(struct interface *iface, const char *name)
 {
 	strncpy(iface->name, name, MAX_IFNAME_SIZE);
diff --git a/interface.h b/interface.h
index 5f449ae..f416b24 100644
--- a/interface.h
+++ b/interface.h
@@ -53,6 +53,13 @@ const char *interface_label(struct interface *iface);
  */
 const char *interface_name(struct interface *iface);
 
+/**
+ * Set the time stamping label of a given interface.
+ * @param iface  The interface of interest.
+ * @param name   The desired label for the interface.
+ */
+void interface_set_label(struct interface *iface, const char *label);
+
 /**
  * Set the name of a given interface.
  * @param iface  The interface of interest.