diff --git a/cdr.c b/cdr.c
index 0aa7ddba8f..19c73dce48 100644
--- a/cdr.c
+++ b/cdr.c
@@ -655,9 +655,10 @@ void ast_cdr_end(struct ast_cdr *cdr)
 			ast_log(LOG_WARNING, "CDR on channel '%s' already posted\n", chan);
 		if (ast_tvzero(cdr->end))
 			cdr->end = ast_tvnow();
-		if (ast_tvzero(cdr->start))
+		if (ast_tvzero(cdr->start)) {
 			ast_log(LOG_WARNING, "CDR on channel '%s' has not started\n", chan);
-		else
+			cdr->disposition = AST_CDR_FAILED;
+		} else
 			cdr->duration = cdr->end.tv_sec - cdr->start.tv_sec;
 		if (!ast_tvzero(cdr->answer))
 			cdr->billsec = cdr->end.tv_sec - cdr->answer.tv_sec;