diff --git a/poe-tasks/build-and-publish-java-connectors-with-tag.sh b/poe-tasks/build-and-publish-java-connectors-with-tag.sh
index 9e2e45a5238..3fd67ec7fb4 100755
--- a/poe-tasks/build-and-publish-java-connectors-with-tag.sh
+++ b/poe-tasks/build-and-publish-java-connectors-with-tag.sh
@@ -7,7 +7,7 @@
 #   --name <name>:    Specifies the connector name (e.g., destination-bigquery).
 #                    
 #   --release-type:   Specifies the release type:
-#                     - pre-release: Builds with a dev tag (version-dev.githash).
+#                     - pre-release: Builds with a preview tag (version-preview.githash).
 #                     - main-release: Builds with the exact version from metadata.yaml.
 #                     Defaults to pre-release if not specified.
 #
diff --git a/poe-tasks/lib/util.sh b/poe-tasks/lib/util.sh
index bda336828d7..a2a6d253ae8 100644
--- a/poe-tasks/lib/util.sh
+++ b/poe-tasks/lib/util.sh
@@ -54,13 +54,13 @@ get_only_connector() {
   echo "${connectors[@]:0:1}"
 }
 
-# Generate the prerelease image tag (e.g. `1.2.3-dev.abcde12345`).
+# Generate the prerelease image tag (e.g. `1.2.3-preview.abcde12`).
 generate_dev_tag() {
   local base="$1"
-  # force a 10-char short hash to match existing airbyte-ci behaviour.
+  # Use 7-char short hash to match the new prerelease format.
   local hash
-  hash=$(git rev-parse --short=10 HEAD)
-  echo "${base}-dev.${hash}"
+  hash=$(git rev-parse --short=7 HEAD)
+  echo "${base}-preview.${hash}"
 }
 
 # Authenticate to gcloud using the contents of a variable.