1 files changed, 4 insertions, 0 deletions
diff --git a/avr/cli.c b/avr/cli.c
index b47603a..7c45251 100644
--- a/avr/cli.c
+++ b/avr/cli.c
@@ -309,6 +309,10 @@ static int cli_run_command(const char *cmd, uint_fast8_t flag)
 		} else {
 			str = sep;			/* no more commands for next pass */
 		}
+		while (isblank(*token))
+			++token;
+		if (*token == '\0')		/* empty (comment only) */
+			continue;
 		debug_parser("token: \"%s\"\n", token);
 
 		/* find macros in this token and replace them */