diff --git a/features/signals_railway_signals.yaml b/features/signals_railway_signals.yaml
index b3feab7c..f9b8d1c6 100644
--- a/features/signals_railway_signals.yaml
+++ b/features/signals_railway_signals.yaml
@@ -53,6 +53,7 @@ tags:
   - 'railway:signal:preheating'
   - 'railway:signal:preheating:form'
   - 'railway:signal:ring'
+  - 'railway:signal:ring:form'
   - 'railway:signal:ring:only_transit'
   - 'railway:signal:radio'
   - 'railway:signal:radio:form'
@@ -529,6 +530,7 @@ features:
       default: 'de/bue5'
     tags:
       - { tag: 'railway:signal:ring', value: 'DE-ESO:bü5' }
+      - { tag: 'railway:signal:ring:form', value: 'sign' }
 
   # TODO support variants of same feature
   - description: Bü 0/1 (sign, repeated)
@@ -760,6 +762,7 @@ features:
     icon: { default: 'de/bostrab/sh4' }
     tags:
       - { tag: 'railway:signal:ring', value: 'DE-BOStrab:sh4' }
+      - { tag: 'railway:signal:ring:form', value: 'sign' }
 
   - description: Signalhaltmelder Zugleitbetrieb
     country: DE