diff --git a/release/alpha/mkisoimages.sh b/release/alpha/mkisoimages.sh
index 8fdab1808410..224bc4db52d5 100644
--- a/release/alpha/mkisoimages.sh
+++ b/release/alpha/mkisoimages.sh
@@ -34,7 +34,7 @@ if [ $# -lt 3 ]; then
 fi
 
 type mkisofs 2>&1 | grep " is " >/dev/null
-if [ $? -eq 0 ]; then
+if [ $? -ne 0 ]; then
 	echo The mkisofs port is not installed.  Trying to get it now.
 	if ! pkg_add -r mkisofs; then
 		echo "Could not get it via pkg_add - please go install this"
@@ -49,7 +49,7 @@ NAME=$1; shift
 mkisofs -r -J -h -V $LABEL -o $NAME $*
 
 type setcdboot 2>&1 | grep " is " >/dev/null
-if [ $? -eq 0 ]; then
+if [ $? -ne 0 ]; then
 	echo The setcdboot port is not installed.  Trying to get it now.
 	if ! pkg_add -r setcdboot; then
 		echo "Could not get it via pkg_add - please go install this"
diff --git a/release/amd64/mkisoimages.sh b/release/amd64/mkisoimages.sh
index c61ee5526a15..1360d1c4f7ec 100644
--- a/release/amd64/mkisoimages.sh
+++ b/release/amd64/mkisoimages.sh
@@ -37,7 +37,7 @@ if [ $# -lt 3 ]; then
 fi
 
 type mkisofs 2>&1 | grep " is " >/dev/null
-if [ $? -eq 0 ]; then
+if [ $? -ne 0 ]; then
 	echo The mkisofs port is not installed.  Trying to get it now.
 	if ! pkg_add -r mkisofs; then
 		echo "Could not get it via pkg_add - please go install this"
diff --git a/release/i386/mkisoimages.sh b/release/i386/mkisoimages.sh
index c61ee5526a15..1360d1c4f7ec 100644
--- a/release/i386/mkisoimages.sh
+++ b/release/i386/mkisoimages.sh
@@ -37,7 +37,7 @@ if [ $# -lt 3 ]; then
 fi
 
 type mkisofs 2>&1 | grep " is " >/dev/null
-if [ $? -eq 0 ]; then
+if [ $? -ne 0 ]; then
 	echo The mkisofs port is not installed.  Trying to get it now.
 	if ! pkg_add -r mkisofs; then
 		echo "Could not get it via pkg_add - please go install this"