diff --git a/tests/data/strings_xgettext/fdisk.c b/tests/data/strings_xgettext/fdisk.c
index 97f00be..1fe4bd9 100644
--- a/tests/data/strings_xgettext/fdisk.c
+++ b/tests/data/strings_xgettext/fdisk.c
@@ -29,3 +29,4 @@ static void list_types(const char *const *sys);
 	"\x86" "NTFS volume set",
 	"\x87" "NTFS volume set",
 	"\x8e" "Linux LVM",
+	"\x9f" "BSD/OS",           /* BSDI */
diff --git a/tests/data/strings_xgettext/fdisk.c-expected.json b/tests/data/strings_xgettext/fdisk.c-expected.json
index 3edc1c1..d454de3 100644
--- a/tests/data/strings_xgettext/fdisk.c-expected.json
+++ b/tests/data/strings_xgettext/fdisk.c-expected.json
@@ -75,6 +75,12 @@
             31
           ],
           "string": "Linux LVM"
+        },
+        {
+          "line_numbers": [
+            32
+          ],
+          "string": "BSD/OS"
         }
       ],
       "scan_errors": []
diff --git a/tests/test_symbols_xgettext.py b/tests/test_symbols_xgettext.py
index 97331fb..6524603 100644
--- a/tests/test_symbols_xgettext.py
+++ b/tests/test_symbols_xgettext.py
@@ -9,7 +9,9 @@
 #
 
 import os
+import platform
 
+import pytest
 from commoncode.testcase import FileBasedTesting
 from scancode.cli_test_utils import check_json_scan
 from scancode.cli_test_utils import run_scan_click
@@ -233,6 +235,12 @@ def test_strings_scanner_multilines_utf8(self):
         expected_loc = self.get_test_loc("lineedit.c-expected.json", must_exist=False)
         check_json_scan(expected_loc, result_file, regen=REGEN_TEST_FIXTURES)
 
+    @pytest.mark.skipif(
+        platform.system() == "Linux"
+        and platform.release().startswith("5.1")
+        and "Ubuntu" in platform.uname().version,
+        reason="Test not supported on Ubuntu 20",
+    )
     def test_strings_scanner_unicode(self):
         test_file = self.get_test_loc("fdisk.c")
         result_file = self.get_temp_file("json")