diff --git a/evergreen/get_custom_build_promotion_expansions_debug.sh b/evergreen/get_custom_build_promotion_expansions_debug.sh
index 33739e7a792..f6195a7ef95 100755
--- a/evergreen/get_custom_build_promotion_expansions_debug.sh
+++ b/evergreen/get_custom_build_promotion_expansions_debug.sh
@@ -21,7 +21,7 @@ else
 fi
 
 if [ -z "$PROMOTE_PROJECT_IDENTIFIER" ]; then
-    promote_project_identifier=$(cat task_data.json | jq -r ".project_identifier")
+    promote_project_identifier=$(cat debug_task_data.json | jq -r ".project_identifier")
 else
     promote_project_identifier=$PROMOTE_PROJECT_IDENTIFIER
 fi