diff --git a/VERSION b/VERSION
index 268b24f..74884a5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.5.287
+1.5.288
diff --git a/base/netcmp.c b/base/netcmp.c
index 0c3c37a..35b0bf9 100644
--- a/base/netcmp.c
+++ b/base/netcmp.c
@@ -6604,7 +6604,9 @@ int ResolveAutomorphsByPin()
 		if (N1->hashval != orighash) continue;
 		for (N2 = N1->next; N2 != NULL; N2 = N2->next) {
 		    if ((N2->graph != N1->graph) &&
-				(*matchfunc)(N2->object->name, N1->object->name)) {
+				(*matchfunc)(N2->object->name, N1->object->name) &&
+				(N1->object->type == PORT || N2->object->type == PORT)) {
+
   			if (Debug == TRUE)
 			    Printf("Symmetry group broken by name match (pin %s)\n", N2->object->name);
 			Magic(newhash);