diff --git a/src/buddies/src/bd/bdReaderOptions.cc b/src/buddies/src/bd/bdReaderOptions.cc
index f0a090310..5dbd4016a 100644
--- a/src/buddies/src/bd/bdReaderOptions.cc
+++ b/src/buddies/src/bd/bdReaderOptions.cc
@@ -112,6 +112,7 @@ GenericReaderOptions::GenericReaderOptions ()
   m_lefdef_produce_special_routing = load_options.get_option_by_name ("lefdef_config.produce_special_routing").to_bool ();
   m_lefdef_special_routing_suffix = load_options.get_option_by_name ("lefdef_config.special_routing_suffix_str").to_string ();
   m_lefdef_special_routing_datatype = load_options.get_option_by_name ("lefdef_config.special_routing_datatype_str").to_string ();
+  m_lefdef_skip_duplicate_macros = load_options.get_option_by_name ("lefdef_config.skip_duplicate_macros").to_bool ();
 
   tl::Variant lef_files = load_options.get_option_by_name ("lefdef_config.lef_files");
   for (tl::Variant::const_iterator i = lef_files.begin (); i != lef_files.end (); ++i) {
@@ -686,6 +687,15 @@ GenericReaderOptions::add_options (tl::CommandLineOptions &cmd)
                     "See also '--" + m_long_prefix + "lefdef-read-lef-with-def' for an option to implicitly read all LEF files in the same "
                     "place than the DEF file.\n"
                    )
+        << tl::arg (group +
+                    "#--" + m_long_prefix + "lefdef-skip-duplicate-macros", &m_lefdef_skip_duplicate_macros, "Skip duplicate LEF macros",
+                    "This option applies when reading DEF files.\n"
+                    "\n"
+                    "If this option is present, having the same macro in different LEF files is a warning rather than being an error. "
+                    "In that case, the first occurance is used. Use this option with care, as it may render invalid layouts when "
+                    "the versions of the macro are defined differently. It is intended for cases, when macros with the same name are guaranteed "
+                    "to be identical. KLayout does not check, if that is actually the case."
+                   )
       ;
 
   }
@@ -814,6 +824,7 @@ GenericReaderOptions::configure (db::LoadLayoutOptions &load_options)
   load_options.set_option_by_name ("lefdef_config.macro_resolution_mode", m_lefdef_macro_resolution_mode);
   load_options.set_option_by_name ("lefdef_config.macro_resolution_mode", m_lefdef_macro_resolution_mode);
   load_options.set_option_by_name ("lefdef_config.paths_relative_to_cwd", true);
+  load_options.set_option_by_name ("lefdef_config.skip_duplicate_macros", m_lefdef_skip_duplicate_macros);
 
   tl::Variant lef_layout_files = tl::Variant::empty_list ();
   for (std::vector<std::string>::const_iterator l = m_lefdef_lef_layout_files.begin (); l != m_lefdef_lef_layout_files.end (); ++l) {
diff --git a/src/buddies/src/bd/bdReaderOptions.h b/src/buddies/src/bd/bdReaderOptions.h
index 1bffd06fd..727778f6f 100644
--- a/src/buddies/src/bd/bdReaderOptions.h
+++ b/src/buddies/src/bd/bdReaderOptions.h
@@ -189,6 +189,7 @@ private:
   std::vector<std::string> m_lefdef_map_files;
   int m_lefdef_macro_resolution_mode;
   std::vector<std::string> m_lefdef_lef_layout_files;
+  bool m_lefdef_skip_duplicate_macros;
 };
 
 /**
diff --git a/src/plugins/streamers/lefdef/db_plugin/gsiDeclDbLEFDEF.cc b/src/plugins/streamers/lefdef/db_plugin/gsiDeclDbLEFDEF.cc
index 04061b6ef..a726396eb 100644
--- a/src/plugins/streamers/lefdef/db_plugin/gsiDeclDbLEFDEF.cc
+++ b/src/plugins/streamers/lefdef/db_plugin/gsiDeclDbLEFDEF.cc
@@ -968,17 +968,22 @@ gsi::Class<db::LEFDEFReaderOptions> decl_lefdef_config ("db", "LEFDEFReaderConfi
     "This property has been added in version 0.27. The ability to supply multiple files has been added in version 0.30.6.\n"
   ) +
   gsi::method ("skip_duplicate_macros", &db::LEFDEFReaderOptions::skip_duplicate_macros,
-    "@brief Get the setting for wether to skip douplicate LEF Macro definitions.\n"
-    "This property describes what to do when while reading LEF files douplicate MACRO definitions are "
-    "discovered. Normally an error is issued and the import fails. When setting this flag to true a"
-    "warning is issued and the macro definition is skipped. So always the first definition of MACRO is used.\n"
+    "@brief Gets a value indicating wether to skip duplicate LEF Macro definitions.\n"
+    "If this property is 'true', having the same macro in different LEF files is a warning rather than being an error. "
+    "In that case, the first occurance is used. Use this option with care, as it may render invalid layouts when "
+    "the versions of the macro are defined differently. It is intended for cases, when macros with the same name are guaranteed "
+    "to be identical. KLayout does not check, if that is actually the case."
+    "\n"
+    "The default is 'false' (duplicate macro names are an error).\n"
     "\n"
     "This property has been added in version 0.30.x.\n"
   ) +
   gsi::method ("skip_duplicate_macros=", &db::LEFDEFReaderOptions::set_skip_duplicate_macros, gsi::arg ("skip_duplicate_macros"),
-    "@brief Sets mode how to handle douplicate MARCO definitions.\n"
+    "@brief Sets a value indicating wether to skip duplicate LEF Macro definitions.\n"
     "\n"
-    "This property has been added in version 0.30.x.\n"
+    "See \\skip_duplicate_macros for a description of this property.\n"
+    "\n"
+    "This property has been added in version 0.30.11.\n"
   ) + 
   gsi::method ("macro_resolution_mode", &db::LEFDEFReaderOptions::macro_resolution_mode,
     "@brief Gets the macro resolution mode (LEF macros into DEF).\n"
diff --git a/testdata/ruby/dbReaders.rb b/testdata/ruby/dbReaders.rb
index 9a787d25f..e01e03696 100644
--- a/testdata/ruby/dbReaders.rb
+++ b/testdata/ruby/dbReaders.rb
@@ -392,6 +392,10 @@ class DBReaders_TestClass < TestBase
     conf.read_lef_with_def = false
     assert_equal(conf.read_lef_with_def, false)
 
+    assert_equal(conf.skip_duplicate_macros, false)
+    conf.skip_duplicate_macros = true
+    assert_equal(conf.skip_duplicate_macros, true)
+
   end
 
   # MAG Options