diff --git a/apps/oxlint/src/command/lint.rs b/apps/oxlint/src/command/lint.rs
index 5eb7d3eac6bb6..40a4b7a90d1d2 100644
--- a/apps/oxlint/src/command/lint.rs
+++ b/apps/oxlint/src/command/lint.rs
@@ -255,6 +255,8 @@ fn default_output_format() -> Result<OutputFormat, std::convert::Infallible> {
         Ok(OutputFormat::Default)
     } else if std::env::var("GITHUB_ACTIONS").ok().is_some_and(|value| value == "true") {
         Ok(OutputFormat::Github)
+    } else if std::env::var("GITLAB_CI").ok().is_some_and(|value| value == "true") {
+        Ok(OutputFormat::Gitlab)
     } else {
         Ok(OutputFormat::Default)
     }