diff --git a/scripts/lib.sh b/scripts/lib.sh
index 2f3f319..51abd11 100644
--- a/scripts/lib.sh
+++ b/scripts/lib.sh
@@ -44,7 +44,7 @@ else
         function check_sha256 {
             FILE="$1"
             CHECKSUM="$2"
-            sha256 --c <<< "SHA256 ($FILE) = $CHECKSUM" >/dev/null 2>&1
+            sha256 -c <<< "SHA256 ($FILE) = $CHECKSUM" >/dev/null 2>&1
             return $?
         }
     else