diff --git a/monitor/nlmon.c b/monitor/nlmon.c
index 3ca04ef7..1426f5f2 100644
--- a/monitor/nlmon.c
+++ b/monitor/nlmon.c
@@ -2467,7 +2467,7 @@ static void read_uevent(const char *ifname, int index)
 			iface->index = index;
 
 			if (!l_hashmap_insert(wlan_iface_list,
-				L_INT_TO_PTR(index), iface))
+					L_INT_TO_PTR(index), iface))
 				l_free(iface);
 		}
 	}