diff --git a/lib/terminal.c b/lib/terminal.c
index 5a8b2fe..7885039 100644
--- a/lib/terminal.c
+++ b/lib/terminal.c
@@ -149,7 +149,7 @@ static void terminal_process_escape(void)
 								break;
 							}
 							uint16_t terminal_line_new = 0; // new line start
-							for (uint16_t pos = 0; pos < terminal_line - 1 && pos < LENGTH(terminal_buffer); pos++) { // find for the last line before the current
+							for (uint16_t pos = 0; pos + 1 < terminal_line && pos < LENGTH(terminal_buffer); pos++) { // find for the last line before the current
 								if ('\0' == terminal_buffer[pos]) { // new line found
 									terminal_line_new = pos + 1; // save new line
 								}