diff --git a/src/plugins/streamers/lefdef/db_plugin/dbLEFDEFImporter.cc b/src/plugins/streamers/lefdef/db_plugin/dbLEFDEFImporter.cc
index 669ed3baa..56b5fcf3a 100644
--- a/src/plugins/streamers/lefdef/db_plugin/dbLEFDEFImporter.cc
+++ b/src/plugins/streamers/lefdef/db_plugin/dbLEFDEFImporter.cc
@@ -730,6 +730,8 @@ LEFDEFReaderState::read_map_file (const std::string &path, db::Layout &layout)
 
       std::string w1, w2;
       int layer = 0, datatype = 0;
+      size_t max_purpose_str = 10;
+      bool purpose_abbreviated = false;
 
       if (ex.try_read_word (w1) && ex.try_read_word (w2, "._$,/:") && ex.try_read (layer) && ex.try_read (datatype)) {
 
@@ -798,18 +800,32 @@ LEFDEFReaderState::read_map_file (const std::string &path, db::Layout &layout)
 
               translated_purposes.insert (std::make_pair (i->second, mask));
 
-              if (! purpose_str.empty ()) {
-                purpose_str += "/";
+              if (! purpose_abbreviated) {
+
+                if (! purpose_str.empty ()) {
+                  purpose_str += "/";
+                }
+
+                if (purpose_str.size () > max_purpose_str) {
+
+                  purpose_abbreviated = true;
+                  purpose_str += "...";
+
+                } else {
+
+                  purpose_str += i->first;
+
+                  if (mask > 0) {
+                    purpose_str += ":";
+                    purpose_str += tl::to_string (mask);
+                  }
+
+                }
+
               }
-              purpose_str += i->first;
 
             }
 
-            if (mask > 0) {
-              purpose_str += ":";
-              purpose_str += tl::to_string (mask);
-            }
-
           }
 
           std::string final_name = w1 + "." + purpose_str;
diff --git a/src/plugins/streamers/oasis/db_plugin/dbOASISWriter.cc b/src/plugins/streamers/oasis/db_plugin/dbOASISWriter.cc
index 7791b9e98..a3e5b8c21 100644
--- a/src/plugins/streamers/oasis/db_plugin/dbOASISWriter.cc
+++ b/src/plugins/streamers/oasis/db_plugin/dbOASISWriter.cc
@@ -2754,7 +2754,7 @@ OASISWriter::write (const db::Path &path, db::properties_id_type prop_id, const
     if (hw * 2 != w) {
       std::string msg = tl::to_string (tr ("Paths with odd width cannot be written to OASIS files (cell ")) + mp_layout->cell_name (mp_cell->cell_index ()) + tl::to_string (tr (", position ")) + tl::to_string (start.x ()) + ", " + tl::to_string (start.y ()) + " DBU)";
       if (m_options.permissive) {
-        tl::warn << msg << " - " << tl::to_string (tr ("path diameter is rounded"));
+        tl::warn << msg << " - " << tl::sprintf (tl::to_string (tr ("path width is rounded from %d to %d DBU")), w, hw * 2);
       } else {
         throw tl::Exception (msg);
       }
diff --git a/testdata/lefdef/mapfile/au.oas.gz b/testdata/lefdef/mapfile/au.oas.gz
index 629c7144b..d0ee614ae 100644
Binary files a/testdata/lefdef/mapfile/au.oas.gz and b/testdata/lefdef/mapfile/au.oas.gz differ