diff --git a/src/ascii_cmd.c b/src/ascii_cmd.c
index 22ee09a..930f04e 100644
--- a/src/ascii_cmd.c
+++ b/src/ascii_cmd.c
@@ -649,5 +649,5 @@ void process_ascii_cmd(RDSModulator* mod, char *str, char *cmd_output) {
 	}
 
 	if (cmd_output != NULL && cmd_reached) strcpy(cmd_output, output);
-	if (cmd_reached) strcpy(cmd_output, "?\0");
+	if (!cmd_reached) strcpy(cmd_output, "?\0");
 }
\ No newline at end of file