diff --git a/release/alpha/mkisoimages.sh b/release/alpha/mkisoimages.sh
index f23ec6f0623..9762931f441 100644
--- a/release/alpha/mkisoimages.sh
+++ b/release/alpha/mkisoimages.sh
@@ -52,7 +52,7 @@ fi
 LABEL=$1; shift
 NAME=$1; shift
 
-mkisofs -r -J -V $LABEL -P "$publisher" -o $NAME $*
+mkisofs -r -J -V $LABEL -publisher "$publisher" -o $NAME $*
 
 type setcdboot 2>&1 | grep " is " >/dev/null
 if [ $? -ne 0 ]; then
diff --git a/release/amd64/mkisoimages.sh b/release/amd64/mkisoimages.sh
index 9668480361a..a538d5b8764 100644
--- a/release/amd64/mkisoimages.sh
+++ b/release/amd64/mkisoimages.sh
@@ -54,4 +54,4 @@ fi
 LABEL=$1; shift
 NAME=$1; shift
 
-mkisofs $bootable -r -J -V $LABEL -P "$publisher" -o $NAME $*
+mkisofs $bootable -r -J -V $LABEL -publisher "$publisher" -o $NAME $*
diff --git a/release/i386/mkisoimages.sh b/release/i386/mkisoimages.sh
index 96425d5c402..cd796e50046 100644
--- a/release/i386/mkisoimages.sh
+++ b/release/i386/mkisoimages.sh
@@ -54,4 +54,4 @@ fi
 LABEL=$1; shift
 NAME=$1; shift
 
-mkisofs $bootable -r -J -V $LABEL -P "$publisher" -o $NAME $*
+mkisofs $bootable -r -J -V $LABEL -publisher "$publisher" -o $NAME $*
diff --git a/release/ia64/mkisoimages.sh b/release/ia64/mkisoimages.sh
index b4683d867a7..52a9f4a2c9d 100644
--- a/release/ia64/mkisoimages.sh
+++ b/release/ia64/mkisoimages.sh
@@ -91,6 +91,6 @@ fi
 
 publisher="The FreeBSD Project.  http://www.freebsd.org/"
 
-$MKISOFS $BOOTOPTS -r -J -V $LABEL -P "$publisher" -o $NAME $BASE $*
+$MKISOFS $BOOTOPTS -r -J -V $LABEL -publisher "$publisher" -o $NAME $BASE $*
 rm -f $BASE/$EFIPART
 exit 0
diff --git a/release/sparc64/mkisoimages.sh b/release/sparc64/mkisoimages.sh
index bc91d62767f..b101306d9a9 100644
--- a/release/sparc64/mkisoimages.sh
+++ b/release/sparc64/mkisoimages.sh
@@ -66,5 +66,5 @@ fi
 LABEL=$1; shift
 NAME=$1; shift
 
-mkisofs $bootable -r -J -V $LABEL -P "$publisher" -o $NAME $*
+mkisofs $bootable -r -J -V $LABEL -publisher "$publisher" -o $NAME $*
 rm -f ${IMG}