diff --git a/zimbra/CVE-2019-9670/bootstrap.sh b/zimbra/CVE-2019-9670/bootstrap.sh
index 1a7d83b2..12401874 100755
--- a/zimbra/CVE-2019-9670/bootstrap.sh
+++ b/zimbra/CVE-2019-9670/bootstrap.sh
@@ -6,8 +6,8 @@ echo "-------------------------------------"
 docker compose -f docker-compose.yml down
 
 echo "[INFO] - Building docker images"
-cd zimbra-not-vuln-8.8 && docker build -t zimbra-not-vuln . && cd ..
-cd zimbra-vuln-8.7 && docker build -t zimbra-vuln . && cd ..
+cd zimbra-not-vuln-8.8 && docker build --platform linux/amd64 -t zimbra-not-vuln . && cd ..
+cd zimbra-vuln-8.7 && docker build --platform linux/amd64 -t zimbra-vuln . && cd ..
 
 echo ""
 echo "[INFO] - Starting docker compose"