diff --git a/util/build-travis.sh b/util/build-travis.sh
index f3d193a0..c7e23c08 100755
--- a/util/build-travis.sh
+++ b/util/build-travis.sh
@@ -41,6 +41,8 @@ expect util/test-travis.exp || exit 1
 
 echo "=== Building live CD ==="
 
+git fetch --unshallow
+
 git clone . _cdsource || exit 1
 
 cd _cdsource