diff --git a/scanpipe/pipes/flag.py b/scanpipe/pipes/flag.py
index 733ec0ab6..d3292e095 100644
--- a/scanpipe/pipes/flag.py
+++ b/scanpipe/pipes/flag.py
@@ -53,6 +53,7 @@
 MATCHED_TO_PURLDB_PACKAGE = "matched-to-purldb-package"
 MATCHED_TO_PURLDB_RESOURCE = "matched-to-purldb-resource"
 MATCHED_TO_PURLDB_DIRECTORY = "matched-to-purldb-directory"
+APPROXIMATE_MATCHED_TO_PURLDB_RESOURCE = "approximate-matched-to-purldb-resource"
 TOO_MANY_MAPS = "too-many-maps"
 NO_JAVA_SOURCE = "no-java-source"
 NPM_PACKAGE_LOOKUP = "npm-package-lookup"