diff --git a/lib/common/tests/cmdline/pcmk__cmdline_preproc_test.c b/lib/common/tests/cmdline/pcmk__cmdline_preproc_test.c
index d2608511e5..3b5ce52d1c 100644
--- a/lib/common/tests/cmdline/pcmk__cmdline_preproc_test.c
+++ b/lib/common/tests/cmdline/pcmk__cmdline_preproc_test.c
@@ -1,166 +1,166 @@
 /*
- * Copyright 2020-2021 the Pacemaker project contributors
+ * Copyright 2020-2022 the Pacemaker project contributors
  *
  * The version control history for this file may have further details.
  *
  * This source code is licensed under the GNU Lesser General Public License
  * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
  */
 
 #include <crm_internal.h>
 #include <crm/common/cmdline_internal.h>
 
 #include <stdarg.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <setjmp.h>
 #include <cmocka.h>
 #include <glib.h>
 
 #define LISTS_EQ(a, b) { \
     assert_int_equal(g_strv_length((gchar **) (a)), g_strv_length((gchar **) (b))); \
     for (int i = 0; i < g_strv_length((a)); i++) { \
         assert_string_equal((a)[i], (b)[i]); \
     } \
 }
 
 static void
 empty_input(void **state) {
     assert_null(pcmk__cmdline_preproc(NULL, ""));
 }
 
 static void
 no_specials(void **state) {
-    const char *argv[] = { "-a", "-b", "-c", "-d", NULL };
-    const gchar *expected[] = { "-a", "-b", "-c", "-d", NULL };
+    const char *argv[] = { "-a", "-b", "-c", "-d", "-1", NULL };
+    const gchar *expected[] = { "-a", "-b", "-c", "-d", "-1", NULL };
 
     gchar **processed = pcmk__cmdline_preproc((char **) argv, NULL);
     LISTS_EQ(processed, expected);
     g_strfreev(processed);
 
     processed = pcmk__cmdline_preproc((char **) argv, "");
     LISTS_EQ(processed, expected);
     g_strfreev(processed);
 }
 
 static void
 single_dash(void **state) {
     const char *argv[] = { "-", NULL };
     const gchar *expected[] = { "-", NULL };
 
     gchar **processed = pcmk__cmdline_preproc((char **) argv, NULL);
     LISTS_EQ(processed, expected);
     g_strfreev(processed);
 }
 
 static void
 double_dash(void **state) {
     const char *argv[] = { "-a", "--", "-bc", NULL };
     const gchar *expected[] = { "-a", "--", "-bc", NULL };
 
     gchar **processed = pcmk__cmdline_preproc((char **) argv, NULL);
     LISTS_EQ(processed, expected);
     g_strfreev(processed);
 }
 
 static void
 special_args(void **state) {
     const char *argv[] = { "-aX", "-Fval", NULL };
     const gchar *expected[] = { "-a", "X", "-F", "val", NULL };
 
     gchar **processed = pcmk__cmdline_preproc((char **) argv, "aF");
     LISTS_EQ(processed, expected);
     g_strfreev(processed);
 }
 
 static void
 special_arg_at_end(void **state) {
     const char *argv[] = { "-a", NULL };
     const gchar *expected[] = { "-a", NULL };
 
     gchar **processed = pcmk__cmdline_preproc((char **) argv, "a");
     LISTS_EQ(processed, expected);
     g_strfreev(processed);
 }
 
 static void
 long_arg(void **state) {
     const char *argv[] = { "--blah=foo", NULL };
     const gchar *expected[] = { "--blah=foo", NULL };
 
     gchar **processed = pcmk__cmdline_preproc((char **) argv, NULL);
     LISTS_EQ(processed, expected);
     g_strfreev(processed);
 }
 
 static void
 negative_score(void **state) {
     const char *argv[] = { "-v", "-1000", NULL };
     const gchar *expected[] = { "-v", "-1000", NULL };
 
     gchar **processed = pcmk__cmdline_preproc((char **) argv, "v");
     LISTS_EQ(processed, expected);
     g_strfreev(processed);
 }
 
 static void
 negative_score_2(void **state) {
     const char *argv[] = { "-1i3", NULL };
     const gchar *expected[] = { "-1", "-i", "-3", NULL };
 
     gchar **processed = pcmk__cmdline_preproc((char **) argv, NULL);
     LISTS_EQ(processed, expected);
     g_strfreev(processed);
 }
 
 static void
 string_arg_with_dash(void **state) {
     const char *argv[] = { "-n", "crm_mon_options", "-v", "--opt1 --opt2", NULL };
     const gchar *expected[] = { "-n", "crm_mon_options", "-v", "--opt1 --opt2", NULL };
 
     gchar **processed = pcmk__cmdline_preproc((char **) argv, "v");
     LISTS_EQ(processed, expected);
     g_strfreev(processed);
 }
 
 static void
 string_arg_with_dash_2(void **state) {
     const char *argv[] = { "-n", "crm_mon_options", "-v", "-1i3", NULL };
     const gchar *expected[] = { "-n", "crm_mon_options", "-v", "-1i3", NULL };
 
     gchar **processed = pcmk__cmdline_preproc((char **) argv, "v");
     LISTS_EQ(processed, expected);
     g_strfreev(processed);
 }
 
 static void
 string_arg_with_dash_3(void **state) {
     const char *argv[] = { "-abc", "-1i3", NULL };
     const gchar *expected[] = { "-a", "-b", "-c", "-1i3", NULL };
 
     gchar **processed = pcmk__cmdline_preproc((char **) argv, "c");
     LISTS_EQ(processed, expected);
     g_strfreev(processed);
 }
 
 int
 main(int argc, char **argv)
 {
     const struct CMUnitTest tests[] = {
         cmocka_unit_test(empty_input),
         cmocka_unit_test(no_specials),
         cmocka_unit_test(single_dash),
         cmocka_unit_test(double_dash),
         cmocka_unit_test(special_args),
         cmocka_unit_test(special_arg_at_end),
         cmocka_unit_test(long_arg),
         cmocka_unit_test(negative_score),
         cmocka_unit_test(negative_score_2),
         cmocka_unit_test(string_arg_with_dash),
         cmocka_unit_test(string_arg_with_dash_2),
         cmocka_unit_test(string_arg_with_dash_3),
     };
 
     cmocka_set_message_output(CM_OUTPUT_TAP);
     return cmocka_run_group_tests(tests, NULL, NULL);
 }