diff --git a/sources/update-sources.sh b/sources/update-sources.sh
index baecc99..47c8e8e 100755
--- a/sources/update-sources.sh
+++ b/sources/update-sources.sh
@@ -7,7 +7,7 @@ DIRECTORY=$(realpath "$(dirname "$0")")
 # Update swayimg
 SWAYIMG_VERSION=$(curl https://api.github.com/repos/artemsen/swayimg/tags | jq -r ".[0].name" | tr -d "v")
 SWAYIMG_URL="https://github.com/artemsen/swayimg/archive/refs/tags/v$SWAYIMG_VERSION.tar.gz"
-SWAYIMG_HASH=$(nix-prefetch fetchurl --url "$SWAYIMG_URL" -s)
+SWAYIMG_HASH=$(nix-prefetch fetchurl --url "$SWAYIMG_URL")
 jq --null-input \
     --arg version "$SWAYIMG_VERSION" \
     --arg url "$SWAYIMG_URL" \