diff --git a/libs/plugins/a-comp.lv2/a-comp#stereo.ttl.in b/libs/plugins/a-comp.lv2/a-comp#stereo.ttl.in
index 438a87e1e1..eeac33ce04 100644
--- a/libs/plugins/a-comp.lv2/a-comp#stereo.ttl.in
+++ b/libs/plugins/a-comp.lv2/a-comp#stereo.ttl.in
@@ -59,6 +59,7 @@
             unit:symbol " " ;
             unit:render "%f  " ;
         ] ;
+        lv2:portProperty <http://lv2plug.in/ns/ext/port-props#logarithmic> ;
     ] ,
     [
         a lv2:InputPort, lv2:ControlPort ;
diff --git a/libs/plugins/a-comp.lv2/a-comp.ttl.in b/libs/plugins/a-comp.lv2/a-comp.ttl.in
index fed9d87307..3a11630eb6 100644
--- a/libs/plugins/a-comp.lv2/a-comp.ttl.in
+++ b/libs/plugins/a-comp.lv2/a-comp.ttl.in
@@ -59,6 +59,7 @@
             unit:symbol " " ;
             unit:render "%f  " ;
         ] ;
+        lv2:portProperty <http://lv2plug.in/ns/ext/port-props#logarithmic> ;
     ] ,
     [
         a lv2:InputPort, lv2:ControlPort ;