diff --git a/resources/build.sh b/resources/build.sh
index cdb7cd6..0b6aa4e 100755
--- a/resources/build.sh
+++ b/resources/build.sh
@@ -177,7 +177,7 @@ ln -s /data/etc/dropbear/ ${ROOTFS_PATH}/etc/dropbear
 mv ${ROOTFS_PATH}/etc/conf.d/dropbear ${ROOTFS_PATH}/etc/conf.d/dropbear_org
 ln -s /data/etc/dropbear/dropbear.conf ${ROOTFS_PATH}/etc/conf.d/dropbear
 
-if [ "$DEFAULT_DROPBEAR_ENABLED" = "true" ]; then
+if [ "$DEFAULT_DROPBEAR_ENABLED" != "true" ]; then
   echo 'DROPBEAR_OPTS="-p 127.0.0.1:22"' > ${ROOTFS_PATH}/etc/conf.d/dropbear_org
 fi