diff --git a/src/db/db/dbNetlistDeviceExtractor.cc b/src/db/db/dbNetlistDeviceExtractor.cc
index e5541ee98..7d627695e 100644
--- a/src/db/db/dbNetlistDeviceExtractor.cc
+++ b/src/db/db/dbNetlistDeviceExtractor.cc
@@ -571,7 +571,6 @@ void NetlistDeviceExtractor::error (const std::string &category_name, const std:
   m_log_entries.push_back (db::LogEntryData (db::Error, cell_name (), msg));
   m_log_entries.back ().set_category_name (category_name);
   m_log_entries.back ().set_category_description (category_description);
-  m_log_entries.back ().set_category_name ("device-extract");
 
   if (tl::verbosity () >= 20) {
     tl::error << m_log_entries.back ().to_string ();
@@ -584,7 +583,6 @@ void NetlistDeviceExtractor::error (const std::string &category_name, const std:
   m_log_entries.back ().set_category_name (category_name);
   m_log_entries.back ().set_category_description (category_description);
   m_log_entries.back ().set_geometry (poly);
-  m_log_entries.back ().set_category_name ("device-extract");
 
   if (tl::verbosity () >= 20) {
     tl::error << m_log_entries.back ().to_string ();
@@ -617,7 +615,6 @@ void NetlistDeviceExtractor::warn (const std::string &category_name, const std::
   m_log_entries.push_back (db::LogEntryData (db::Warning, cell_name (), msg));
   m_log_entries.back ().set_category_name (category_name);
   m_log_entries.back ().set_category_description (category_description);
-  m_log_entries.back ().set_category_name ("device-extract");
 
   if (tl::verbosity () >= 20) {
     tl::warn << m_log_entries.back ().to_string ();
@@ -630,7 +627,6 @@ void NetlistDeviceExtractor::warn (const std::string &category_name, const std::
   m_log_entries.back ().set_category_name (category_name);
   m_log_entries.back ().set_category_description (category_description);
   m_log_entries.back ().set_geometry (poly);
-  m_log_entries.back ().set_category_name ("device-extract");
 
   if (tl::verbosity () >= 20) {
     tl::warn << m_log_entries.back ().to_string ();
diff --git a/src/db/unit_tests/dbNetlistDeviceExtractorTests.cc b/src/db/unit_tests/dbNetlistDeviceExtractorTests.cc
index e810c286b..751d892c8 100644
--- a/src/db/unit_tests/dbNetlistDeviceExtractorTests.cc
+++ b/src/db/unit_tests/dbNetlistDeviceExtractorTests.cc
@@ -89,8 +89,8 @@ TEST(2_NetlistDeviceExtractorErrors)
 
   std::vector<db::LogEntryData> errors (dummy_ex.begin_log_entries (), dummy_ex.end_log_entries ());
   EXPECT_EQ (int (errors.size ()), 4);
-  EXPECT_EQ (error2string (errors [0]), ":::():msg1");
-  EXPECT_EQ (error2string (errors [1]), ":::(0,1;0,3;2,3;2,1):msg2");
+  EXPECT_EQ (error2string (errors [0]), ":device-extract::():msg1");
+  EXPECT_EQ (error2string (errors [1]), ":device-extract::(0,1;0,3;2,3;2,1):msg2");
   EXPECT_EQ (error2string (errors [2]), ":cat1:desc1:():msg1");
   EXPECT_EQ (error2string (errors [3]), ":cat1:desc1:(10,11;10,13;12,13;12,11):msg3");
 }
diff --git a/testdata/lvs/ringo_simple_implicit_connections.lvsdb.1 b/testdata/lvs/ringo_simple_implicit_connections.lvsdb.1
index dfe2f524b..576801b98 100644
--- a/testdata/lvs/ringo_simple_implicit_connections.lvsdb.1
+++ b/testdata/lvs/ringo_simple_implicit_connections.lvsdb.1
@@ -39,7 +39,7 @@ layout(
  global(l10 SUBSTRATE)
 
  # Log entries
- message(warning description('Must-connect nets VDD must be connected further up in the hierarchy - this is an error at the chip top level') cell(RINGO))
+ message(warning description('Must-connect nets VDD must be connected further up in the hierarchy - this is an error at chip top level') cell(RINGO) cat('must-connect'))
 
  # Device class section
  class(PMOS MOS4)