diff --git a/res/res_stir_shaken/curl.c b/res/res_stir_shaken/curl.c
index 634c2bf68a..ab29e3d833 100644
--- a/res/res_stir_shaken/curl.c
+++ b/res/res_stir_shaken/curl.c
@@ -41,7 +41,7 @@ struct curl_cb_data *curl_cb_data_create(void)
 {
 	struct curl_cb_data *data;
 
-	data = ast_calloc(1, sizeof(data));
+	data = ast_calloc(1, sizeof(*data));
 
 	return data;
 }