diff --git a/scripts/startup_script.sh b/scripts/startup_script.sh
index 6aaf1dc..385c5d2 100755
--- a/scripts/startup_script.sh
+++ b/scripts/startup_script.sh
@@ -66,7 +66,10 @@ sed -i -r "s/server.backupTime = (.*)/server.backupTime = ${BACKUP_TIME:-\1}/" /
 sed -i -r "s/server.backupInterval = (.*)/server.backupInterval = ${BACKUP_INTERVAL:-\1}/" /home/suwayomi/.local/share/Tachidesk/server.conf
 sed -i -r "s/server.backupTTL = (.*)/server.backupTTL = ${BACKUP_TTL:-\1}/" /home/suwayomi/.local/share/Tachidesk/server.conf
 
+
 # cloudflare bypass
+# escape url for sed
+export FLARESOLVERR_URL=$(echo "${FLARESOLVERR_URL:-\1}" | sed 's/[\/&]/\\&/g')
 sed -i -r "s/server.flareSolverrEnabled = (.*)/server.flareSolverrEnabled = ${FLARESOLVERR_ENABLED:-\1}/" /home/suwayomi/.local/share/Tachidesk/server.conf
 sed -i -r "s/server.flareSolverrUrl = \"(.*)\"/server.flareSolverrUrl = \"${FLARESOLVERR_URL:-\1}\"/" /home/suwayomi/.local/share/Tachidesk/server.conf
 sed -i -r "s/server.flareSolverrTimeout = (.*)/server.flareSolverrTimeout = ${FLARESOLVERR_TIMEOUT:-\1}/" /home/suwayomi/.local/share/Tachidesk/server.conf