diff --git a/src/db/db/dbNetlistCompare.cc b/src/db/db/dbNetlistCompare.cc
index d43e813fd..7e49f641d 100644
--- a/src/db/db/dbNetlistCompare.cc
+++ b/src/db/db/dbNetlistCompare.cc
@@ -926,7 +926,7 @@ public:
                   } else {
 
                     std::vector<const NetGraphNode *>::const_iterator in_this = std::lower_bound (nodes_with_same_path.begin (), nodes_with_same_path.end (), n, CompareNodePtr ());
-                    if (in_this != nodes_with_same_path.end () && *n == **in_this) {
+                    if (in_this != nodes_with_same_path.end () && *n == **in_this && (in_this + 1 == nodes_with_same_path.end () || ! (*n == **(in_this + 1)))) {
                       other_node_index = i->second.first;
                       node_index = node_index_for_net ((*in_this)->net ());
                       ++count_other;
diff --git a/src/db/unit_tests/dbNetlistCompareTests.cc b/src/db/unit_tests/dbNetlistCompareTests.cc
index 519f818b8..fb250d97d 100644
--- a/src/db/unit_tests/dbNetlistCompareTests.cc
+++ b/src/db/unit_tests/dbNetlistCompareTests.cc
@@ -658,8 +658,8 @@ TEST(5_BufferTwoPathsDifferentParameters)
   EXPECT_EQ (logger.text (),
     "begin_circuit BUF BUF\n"
     "match_nets OUT OUT\n"
-    "match_nets INT $10\n"
     "match_nets IN IN\n"
+    "match_ambiguous_nets INT $10\n"
     "match_nets INT2 $11\n"
     "match_pins $0 $1\n"
     "match_pins $1 $3\n"
@@ -710,8 +710,8 @@ TEST(5_BufferTwoPathsDifferentParameters)
   EXPECT_EQ (logger.text (),
     "begin_circuit BUF BUF\n"
     "match_nets OUT OUT\n"
-    "match_nets INT $10\n"
     "match_nets IN IN\n"
+    "match_ambiguous_nets INT $10\n"
     "match_nets INT2 $11\n"
     "match_pins $0 $1\n"
     "match_pins $1 $3\n"
@@ -736,8 +736,8 @@ TEST(5_BufferTwoPathsDifferentParameters)
   EXPECT_EQ (logger.text (),
     "begin_circuit BUF BUF\n"
     "match_nets OUT OUT\n"
-    "match_nets INT $10\n"
     "match_nets IN IN\n"
+    "match_ambiguous_nets INT $10\n"
     "match_nets INT2 $11\n"
     "match_pins $0 $1\n"
     "match_pins $1 $3\n"
@@ -816,8 +816,8 @@ TEST(5_BufferTwoPathsDifferentParameters)
   EXPECT_EQ (logger.text (),
     "begin_circuit BUF BUF\n"
     "match_nets OUT OUT\n"
-    "match_nets INT $10\n"
     "match_nets IN IN\n"
+    "match_ambiguous_nets INT $10\n"
     "match_nets INT2 $11\n"
     "match_pins $0 $1\n"
     "match_pins $1 $3\n"
diff --git a/testdata/ruby/dbNetlistCompare.rb b/testdata/ruby/dbNetlistCompare.rb
index b955ba481..8f8e254c9 100644
--- a/testdata/ruby/dbNetlistCompare.rb
+++ b/testdata/ruby/dbNetlistCompare.rb
@@ -460,8 +460,8 @@ END
     assert_equal(logger.text, <<"END")
 begin_circuit BUF BUF
 match_nets OUT OUT
-match_nets INT $10
 match_nets IN IN
+match_ambiguous_nets INT $10
 match_nets INT2 $11
 match_pins $0 $1
 match_pins $1 $3