diff --git a/VERSION b/VERSION
index caf43a00..d29f3647 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-8.3.450
+8.3.451
diff --git a/extflat/EFbuild.c b/extflat/EFbuild.c
index 85bd1cb4..684f2895 100644
--- a/extflat/EFbuild.c
+++ b/extflat/EFbuild.c
@@ -162,7 +162,50 @@ efBuildNode(def, isSubsnode, isDevSubsnode, isExtNode, nodeName, nodeCap,
     int tnew = 0;
 
     he = HashFind(&def->def_nodes, nodeName);
-    if (newname = (EFNodeName *) HashGetValue(he))
+    newname = (EFNodeName *)HashGetValue(he);
+
+    if (newname && (def->def_kills != NULL))
+    {
+	HashEntry *hek;
+	EFNodeName *nn, *knn, *nodeAlias, *lastAlias;
+
+	/* Watch for nodes that are aliases of the node that was most
+	 * recently killed.  This can occur in .res.ext files where an
+	 * equivalent node name (alias) is used as one of the node
+	 * points.  It must be regenerated as its own node and removed
+	 * from the name list of the killed node.
+	 */
+	hek = HashLookOnly(&def->def_nodes, EFHNToStr(def->def_kills->kill_name));
+	if (hek != NULL)
+        {
+            knn = (EFNodeName *) HashGetValue(hek);
+	    if ((knn != NULL) && (knn->efnn_node == newname->efnn_node))
+	    {
+		/* Remove alias from killed node's name list */
+		lastAlias = NULL;
+		for (nodeAlias = knn->efnn_node->efnode_name; nodeAlias != NULL;
+			nodeAlias = nodeAlias->efnn_next)
+		{
+		    if (!strcmp(EFHNToStr(nodeAlias->efnn_hier), nodeName))
+		    {
+			if (lastAlias == NULL)
+			    knn->efnn_node->efnode_name = nodeAlias->efnn_next;
+			else
+			    lastAlias->efnn_next = nodeAlias->efnn_next;
+			EFHNFree(nodeAlias->efnn_hier, (HierName *)NULL, HN_ALLOC);
+			freeMagic(nodeAlias);
+			break;
+		    }
+		    lastAlias = nodeAlias;
+		}
+		
+		/* Force name to be made into a new node */
+		newname = (EFNodeName *)NULL;
+	    }
+	}
+    }
+
+    if (newname)
     {
 	if (efWarn)
 	    efReadError("Warning: duplicate node name %s\n", nodeName);
diff --git a/resis/ResRex.c b/resis/ResRex.c
index b0804f45..81726178 100644
--- a/resis/ResRex.c
+++ b/resis/ResRex.c
@@ -1449,8 +1449,6 @@ ResFixUpConnections(simDev, layoutDev, simNode, nodename)
 		    }
 		    layoutDev->rd_fet_drain = (resNode *)NULL;
 	            if (source->rn_name != NULL)  resNodeNum--;
-	            ResFixDevName(newname, SOURCE, simDev, source);
-	            source->rn_name = simDev->source->name;
 		}
 		else
 		{
@@ -1459,9 +1457,9 @@ ResFixUpConnections(simDev, layoutDev, simNode, nodename)
 			resNodeNum--;
 			notdecremented = FALSE;
 		    }
-	            ResFixDevName(newname, SOURCE, simDev, source);
-	            source->rn_name = simDev->source->name;
 		}
+	        ResFixDevName(newname, SOURCE, simDev, source);
+	        source->rn_name = simDev->source->name;
 
 	    }
 	    else
@@ -1472,26 +1470,36 @@ ResFixUpConnections(simDev, layoutDev, simNode, nodename)
     }
     else if (simDev->drain == simNode)
     {
-	if ((source = layoutDev->rd_fet_source) != NULL)
+	/* Check for devices with only one terminal.  If it was cast as source,	*/
+	/* then swap it with the drain so that the code below handles it	*/
+	/* correctly.								*/
+
+	if (layoutDev->rd_fet_drain == NULL && layoutDev->rd_fet_source != NULL)
 	{
-	    if ((drain = layoutDev->rd_fet_drain) != NULL)
+	    layoutDev->rd_fet_drain = layoutDev->rd_fet_source;
+	    layoutDev->rd_fet_source = (struct resnode *)NULL;
+	}
+
+	if ((drain = layoutDev->rd_fet_drain) != NULL)
+	{
+	    if ((source = layoutDev->rd_fet_source) != NULL)
 	    {
 		if (drain != source)
 		{
-		    if (drain->rn_why & ORIGIN)
+		    if (source->rn_why & ORIGIN)
 		    {
-			 ResMergeNodes(drain, source, &ResNodeQueue,
-				&ResNodeList);
-		         ResDoneWithNode(drain);
-			 source = drain;
-		    }
-  		    else
-		    {
- 		         ResMergeNodes(source, drain, &ResNodeQueue,
+			 ResMergeNodes(source, drain, &ResNodeQueue,
 				&ResNodeList);
 		         ResDoneWithNode(source);
 			 drain = source;
 		    }
+  		    else
+		    {
+ 		         ResMergeNodes(drain, source, &ResNodeQueue,
+				&ResNodeList);
+		         ResDoneWithNode(drain);
+			 source = drain;
+		    }
 		}
 		layoutDev->rd_fet_source = (resNode *) NULL;
              	if (drain->rn_name != NULL)
@@ -1499,19 +1507,17 @@ ResFixUpConnections(simDev, layoutDev, simNode, nodename)
 		    resNodeNum--;
 		    notdecremented = FALSE;
 		}
-	        ResFixDevName(newname, DRAIN, simDev, drain);
-	        drain->rn_name = simDev->drain->name;
 	    }
 	    else
 	    {
-		if (source->rn_name != NULL  && notdecremented)
+		if (drain->rn_name != NULL  && notdecremented)
 		{
 		    resNodeNum--;
 		    notdecremented = FALSE;
 		}
-		ResFixDevName(newname, DRAIN, simDev, source);
-		source->rn_name = simDev->drain->name;
 	    }
+	    ResFixDevName(newname, DRAIN, simDev, drain);
+	    drain->rn_name = simDev->drain->name;
 	}
 	else
 	    TxError("Missing terminal connection of device at (%d %d) on net %s\n",