diff --git a/src/MDConcMarkingPosition.php b/src/MDConcMarkingPosition.php
index 0610420..bfc9b7d 100644
--- a/src/MDConcMarkingPosition.php
+++ b/src/MDConcMarkingPosition.php
@@ -113,6 +113,7 @@ final class MDConcMarkingPosition implements MDImporterConcordanceListInterface
         "oberer Rand, aussen" => "edge",
         "oberer und unterer Rand" => "edge",
         "Passepartout" => "edge",
+        "Keilrahmen untere Leiste" => "edge",
 
         // Rear
         "Leinwandrückseite" => "rear_side",