--- a/scripts/build/companion_libs/121-isl.sh
+++ b/scripts/build/companion_libs/121-isl.sh
@@ -14,7 +14,7 @@
 if [ "${CT_ISL}" = "y" ]; then
 # Download ISL
 do_isl_get() {
     CT_GetFile "isl-${CT_ISL_VERSION}" \
-        http://isl.gforge.inria.fr
+        ftp://gcc.gnu.org/pub/gcc/infrastructure
 }
 
 # Extract ISL