diff --git a/src/vnet/gso/node.c b/src/vnet/gso/node.c
index a48a8b6..b3125fe 100644
--- a/src/vnet/gso/node.c
+++ b/src/vnet/gso/node.c
@@ -346,21 +346,21 @@
 	      }
 	    if (PREDICT_FALSE (hi->sw_if_index != swif1))
 	      {
-		hi1 = vnet_get_sup_hw_interface (vnm, swif0);
+		hi1 = vnet_get_sup_hw_interface (vnm, swif1);
 		if (!(hi1->flags & VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO) &&
 		    (b[1]->flags & VNET_BUFFER_F_GSO))
 		  break;
 	      }
 	    if (PREDICT_FALSE (hi->sw_if_index != swif2))
 	      {
-		hi2 = vnet_get_sup_hw_interface (vnm, swif0);
+		hi2 = vnet_get_sup_hw_interface (vnm, swif2);
 		if ((hi2->flags & VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO) == 0 &&
 		    (b[2]->flags & VNET_BUFFER_F_GSO))
 		  break;
 	      }
 	    if (PREDICT_FALSE (hi->sw_if_index != swif3))
 	      {
-		hi3 = vnet_get_sup_hw_interface (vnm, swif0);
+		hi3 = vnet_get_sup_hw_interface (vnm, swif3);
 		if (!(hi3->flags & VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO) &&
 		    (b[3]->flags & VNET_BUFFER_F_GSO))
 		  break;