diff --git a/configure.ac b/configure.ac
index 89fe818357..a819898c36 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,7 +9,7 @@ AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIR([m4])
 dnl Make automake keep quiet about wildcards & other GNUmake-isms
-AM_INIT_AUTOMAKE([-Wno-portability])
+AM_INIT_AUTOMAKE([-Wno-portability tar-ustar])
 AM_MAINTAINER_MODE([enable])
 
 # Maintainer note - comment this line out if you plan to rerun