diff --git a/.gitlab/fuzzing/.gitlab-ci.yml b/.gitlab/fuzzing/.gitlab-ci.yml
index 6a1e2116e..8c03caac1 100644
--- a/.gitlab/fuzzing/.gitlab-ci.yml
+++ b/.gitlab/fuzzing/.gitlab-ci.yml
@@ -14,7 +14,7 @@ fuzz_infra:
     DDSIGN_ID_TOKEN:
       aud: image-integrity
   rules:
-    - if: $NIGHTLY_BUILD == "true"
+    - if: '$CI_PIPELINE_SOURCE == "schedule" && $RUN_FUZZ == "true"'
     - when: manual
   before_script:
     - apt-get update -qq && apt-get install -y -qq curl unzip jq