diff --git a/modules.d/50plymouth/cryptroot-ask.sh b/modules.d/50plymouth/cryptroot-ask.sh
index 47dd9d83..466d8db2 100755
--- a/modules.d/50plymouth/cryptroot-ask.sh
+++ b/modules.d/50plymouth/cryptroot-ask.sh
@@ -36,7 +36,7 @@ if [ -n "$LUKS" ]; then
     luuid=${2##luks-}
     for luks in $LUKS; do
 	luks=${luks##luks-}
-	if [ "${luuid##$luks}" != "$luuid" ] || [ "$luksname" == "$luks" ]; then
+	if [ "${luuid##$luks}" != "$luuid" ] || [ "$luksname" = "$luks" ]; then
 	    ask=1
 	    break
 	fi
diff --git a/modules.d/90crypt/cryptroot-ask.sh b/modules.d/90crypt/cryptroot-ask.sh
index b1c18894..4ddb26eb 100755
--- a/modules.d/90crypt/cryptroot-ask.sh
+++ b/modules.d/90crypt/cryptroot-ask.sh
@@ -35,7 +35,7 @@ if [ -n "$LUKS" ]; then
     luuid=${2##luks-}
     for luks in $LUKS; do
         luks=${luks##luks-}
-	if [ "${luuid##$luks}" != "$luuid" ] || [ "$luksname" == "$luks" ]; then
+	if [ "${luuid##$luks}" != "$luuid" ] || [ "$luksname" = "$luks" ]; then
 	    ask=1
 	    break
 	fi