diff --git a/ext/readline/readline_cli.c b/ext/readline/readline_cli.c
index 2b0950784bf2..ca4e8eb4fe9f 100644
--- a/ext/readline/readline_cli.c
+++ b/ext/readline/readline_cli.c
@@ -662,6 +662,7 @@ static int readline_shell_run(void) /* {{{ */
 				zend_string_release_ex(prompt, 0);
 				/* TODO: This might be wrong! */
 				prompt = cli_get_prompt("php", '>');
+				free(line);
 				continue;
 			}
 		}