diff --git a/setup-apkrepos.in b/setup-apkrepos.in
index 1956b19b524bb4a920356ef916ba2218598de2bb..1bbccca0661da122d7ab4d5dca6b5abfad28bdd2 100644
--- a/setup-apkrepos.in
+++ b/setup-apkrepos.in
@@ -48,7 +48,7 @@ find_fastest_mirror() {
 	local url=
 	for url in $MIRRORS; do
 		local time=$(time_cmd apk update --quiet $apk_root_opt \
-				--repository $url/edge/main \
+				--repository ${url%/}/edge/main \
 				--repositories-file /dev/null)
 		if [ -n "$time" ]; then
 			echo "$time $url"