diff --git a/channel.c b/channel.c
index e804f7ae96..fdf2c97c17 100644
--- a/channel.c
+++ b/channel.c
@@ -1006,6 +1006,7 @@ void ast_channel_free(struct ast_channel *chan)
 	while ((vardata = AST_LIST_REMOVE_HEAD(headp, entries)))
 		ast_var_delete(vardata);
 
+	ast_string_field_free_all(chan);
 	free(chan);
 	AST_LIST_UNLOCK(&channels);