diff --git a/core-mod/core/libisl/build b/core-mod/core/libisl/build
index 08732d9..c64060b 100755
--- a/core-mod/core/libisl/build
+++ b/core-mod/core/libisl/build
@@ -1,5 +1,7 @@
 #!/bin/sh -e
 
+autoupdate
+
 ./autogen.sh
 
 ./configure \