diff --git a/ryu/app/rest_router.py b/ryu/app/rest_router.py
index 26443a64..f3cac02a 100644
--- a/ryu/app/rest_router.py
+++ b/ryu/app/rest_router.py
@@ -1657,9 +1657,9 @@ class OfCtl_v1_0(OfCtl):
         # Decrement TTL value is not supported at OpenFlow V1.0
         actions = []
         if src_mac:
-            actions.append(ofp_parser.OFPActionSetDlSrc(src_mac))
+            actions.append(ofp_parser.OFPActionSetDlSrc(mac_lib.haddr_to_bin(src_mac)))
         if dst_mac:
-            actions.append(ofp_parser.OFPActionSetDlDst(dst_mac))
+            actions.append(ofp_parser.OFPActionSetDlDst(mac_lib.haddr_to_bin(dst_mac)))
         if outport is not None:
             actions.append(ofp_parser.OFPActionOutput(outport))