diff --git a/build-docker-images/build-images.sh b/build-docker-images/build-images.sh
index 9ddc0c6c..d521bd05 100755
--- a/build-docker-images/build-images.sh
+++ b/build-docker-images/build-images.sh
@@ -38,7 +38,7 @@ build() {
 
     if  [ "${WAZUH_DEV_STAGE}" ];then
         FILEBEAT_TEMPLATE_BRANCH="v${FILEBEAT_TEMPLATE_BRANCH}-${WAZUH_DEV_STAGE,,}"
-        if curl --output /dev/null --silent --head --fail "https://github.com/wazuh/wazuh/tree/${FILEBEAT_TEMPLATE_BRANCH}"; then
+        if ! curl --output /dev/null --silent --head --fail "https://github.com/wazuh/wazuh/tree/${FILEBEAT_TEMPLATE_BRANCH}"; then
             echo "The indicated branch does not exist in the wazuh/wazuh repository: ${FILEBEAT_TEMPLATE_BRANCH}"
             clean 1
         fi