diff --git a/libs/plugins/a-comp.lv2/a-comp.c b/libs/plugins/a-comp.lv2/a-comp.c
index b256f25df1..3b7c21fcc1 100644
--- a/libs/plugins/a-comp.lv2/a-comp.c
+++ b/libs/plugins/a-comp.lv2/a-comp.c
@@ -361,6 +361,7 @@ run(LV2_Handle instance, uint32_t n_samples)
 		Lyg = 0.f;
 		Lxg = (ingain==0.f) ? -160.f : to_dB(ingain);
 		Lxg = sanitize_denormal(Lxg);
+
 		if (Lxg > in_peak_db) {
 			in_peak_db = Lxg;
 		}
diff --git a/libs/plugins/a-exp.lv2/a-exp.c b/libs/plugins/a-exp.lv2/a-exp.c
index 9eca7b5d2f..96ad0767f9 100644
--- a/libs/plugins/a-exp.lv2/a-exp.c
+++ b/libs/plugins/a-exp.lv2/a-exp.c
@@ -27,11 +27,11 @@
 
 #include "lv2/lv2plug.in/ns/lv2core/lv2.h"
 
-#define RESET_PEAK_AFTER_SECONDS 3
-
 #define AEXP_URI "urn:ardour:a-exp"
 #define AEXP_STEREO_URI "urn:ardour:a-exp#stereo"
 
+#define RESET_PEAK_AFTER_SECONDS 3
+
 #ifndef M_PI
 #  define M_PI 3.14159265358979323846
 #endif
@@ -57,8 +57,8 @@ typedef enum {
 	AEXP_MAKEUP,
 
 	AEXP_GAINR,
-	AEXP_OUTLEVEL,
 	AEXP_INLEVEL,
+	AEXP_OUTLEVEL,
 	AEXP_SIDECHAIN,
 	AEXP_ENABLE,
 
@@ -287,7 +287,6 @@ activate(LV2_Handle instance)
 #endif
 }
 
-
 static void
 run(LV2_Handle instance, uint32_t n_samples)
 {
@@ -363,7 +362,6 @@ run(LV2_Handle instance, uint32_t n_samples)
 #endif
 
 	float in_peak_db = -160.f;
-	old_gainr = *aexp->gainr;
 	float max_gainr = 0.0;
 
 	for (i = 0; i < n_samples; i++) {
diff --git a/libs/plugins/a-exp.lv2/a-exp.ttl.in b/libs/plugins/a-exp.lv2/a-exp.ttl.in
index 2ab3860eff..154a1cb9ea 100644
--- a/libs/plugins/a-exp.lv2/a-exp.ttl.in
+++ b/libs/plugins/a-exp.lv2/a-exp.ttl.in
@@ -10,6 +10,13 @@
 	foaf:name "Ardour Team" ;
 	foaf:homepage <http://ardour.org/> .
 
+unit:db-display
+	a unit:Unit ;
+	rdfs:label "decibels" ;
+	rdfs:label "dB" ;
+	unit:render "%4.1f" ;
+	unit:symbol "dB" .
+
 <urn:ardour:a-exp>
     a lv2:Plugin, doap:Project, lv2:ExpanderPlugin ;
 
@@ -90,27 +97,27 @@
         lv2:default 0.000000 ;
         lv2:minimum 0.000000 ;
         lv2:maximum 45.000000 ;
-        unit:unit unit:db ;
+        unit:unit unit:db-display ;
     ] ,
     [
         a lv2:OutputPort, lv2:ControlPort ;
         lv2:index 7 ;
-        lv2:name "Output Level" ;
-        lv2:symbol "outlevel" ;
-        lv2:default -45.000000 ;
-        lv2:minimum -45.000000 ;
-        lv2:maximum 0.000000 ;
-        unit:unit unit:db ;
-    ] ,
-    [
-        a lv2:OutputPort, lv2:ControlPort ;
-        lv2:index 8 ;
         lv2:name "Input Level" ;
         lv2:symbol "inlevel" ;
         lv2:default -45.000000 ;
         lv2:minimum -45.000000 ;
         lv2:maximum 0.000000 ;
-        unit:unit unit:db ;
+        unit:unit unit:db-display ;
+    ] ,
+    [
+        a lv2:OutputPort, lv2:ControlPort ;
+        lv2:index 8 ;
+        lv2:name "Output Level" ;
+        lv2:symbol "outlevel" ;
+        lv2:default -45.000000 ;
+        lv2:minimum -45.000000 ;
+        lv2:maximum 0.000000 ;
+        unit:unit unit:db-display ;
     ] ,
     [
         a lv2:InputPort, lv2:ControlPort ;