1 files changed, 1 insertions, 1 deletions

diff --git a/src/makechrootpkg.in b/src/makechrootpkg.in
index aac7a0b..c2e3daa 100644
--- a/src/makechrootpkg.in
+++ b/src/makechrootpkg.in
@@ -222,7 +222,7 @@ _chrootbuild() {
 	sudo --preserve-env=SOURCE_DATE_EPOCH \
 		--preserve-env=BUILDTOOL \
 		--preserve-env=BUILDTOOLVER \
-		-iu builduser bash -c 'cd /startdir; makepkg "$@"' -bash "$@"
+		-iu builduser bash -c 'cd /startdir; CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse makepkg "$@"' -bash "$@"
 	ret=$?
 	case $ret in
 		0|14)