diff --git a/lib/commands/toolcontext.h b/lib/commands/toolcontext.h
index 3c7ef5445..2ac7a1eb8 100644
--- a/lib/commands/toolcontext.h
+++ b/lib/commands/toolcontext.h
@@ -95,6 +95,7 @@ struct cmd_context {
 	char **argv;
 	struct arg_values *opt_arg_values;
 	struct dm_list arg_value_groups;
+	int opt_count; /* total number of options (beginning with - or --) */
 
 	/*
 	 * Position args remaining after command name
diff --git a/tools/command-lines.in b/tools/command-lines.in
index 6192b0313..d6cd04e5b 100644
--- a/tools/command-lines.in
+++ b/tools/command-lines.in
@@ -727,7 +727,7 @@ RULE: all and lv_is_converting
 # for compat since this was how it used to be done.
 lvconvert LV_mirror_raid
 OO: OO_LVCONVERT
-ID: lvconvert_start_poll
+ID: lvconvert_plain
 DESC: Poll LV to continue conversion (also see --startpoll)
 DESC: or waits till conversion/mirror syncing is finished
 FLAGS: SECONDARY_SYNTAX
diff --git a/tools/lvmcmdline.c b/tools/lvmcmdline.c
index cb1753d70..84825afc3 100644
--- a/tools/lvmcmdline.c
+++ b/tools/lvmcmdline.c
@@ -117,6 +117,7 @@ static const struct command_function _command_functions[CMD_COUNT] = {
 
 	/* lvconvert utility to trigger polling on an LV. */
 	{ lvconvert_start_poll_CMD, lvconvert_start_poll_cmd },
+	{ lvconvert_plain_CMD, lvconvert_start_poll_cmd },
 
 	/* lvconvert utilities for creating/maintaining thin and cache objects. */
 	{ lvconvert_to_thinpool_CMD,			lvconvert_to_pool_cmd },
@@ -1583,6 +1584,17 @@ static struct command *_find_command(struct cmd_context *cmd, const char *path,
 		if (arg_is_set(cmd, help_ARG) || arg_is_set(cmd, help2_ARG) || arg_is_set(cmd, longhelp_ARG) || arg_is_set(cmd, version_ARG))
 			return &commands[i];
 
+		/*
+		 * The 'lvconvert LV' cmd def matches any lvconvert cmd which throws off
+		 * nearest-command partial-match suggestions.  Make it a special case so
+		 * that it won't be used as a close match.  If the command has any option
+		 * set (other than -v), don't attempt to match it to 'lvconvert LV'.
+		 */
+		if (commands[i].command_enum == lvconvert_plain_CMD) {
+			if (cmd->opt_count - cmd->opt_arg_values[verbose_ARG].count)
+				continue;
+		}
+
 		match_required = 0;	/* required parameters that match */
 		match_ro = 0;		/* required opt_args that match */
 		match_rp = 0;		/* required pos_args that match */
@@ -2101,6 +2113,8 @@ static int _process_command_line(struct cmd_context *cmd, int *argc, char ***arg
 		if (goval == '?')
 			return 0;
 
+		cmd->opt_count++;
+
 		/*
 		 * translate the option value used by getopt into the enum
 		 * value (e.g. foo_ARG) from the args array.