diff --git a/build/scripts/Targets/TargetDescriptionFiles/AVR8/Services/ValidationService.php b/build/scripts/Targets/TargetDescriptionFiles/AVR8/Services/ValidationService.php
index 672f0661..050cc89b 100644
--- a/build/scripts/Targets/TargetDescriptionFiles/AVR8/Services/ValidationService.php
+++ b/build/scripts/Targets/TargetDescriptionFiles/AVR8/Services/ValidationService.php
@@ -43,6 +43,13 @@ class ValidationService extends \Targets\TargetDescriptionFiles\Services\Validat
             $failures[] = 'Missing IO memory segment';
         }
 
+        if (
+            $tdf->getMemorySegment('data', 'signatures') === null
+            && $tdf->getMemorySegment('signatures', 'signatures') === null
+        ) {
+            $failures[] = 'Missing signatures memory segment';
+        }
+
         if ($tdf->getSignature() === null) {
             $failures[] = "Missing or incomplete AVR signature.";
         }