diff --git a/src/MooseIDE-CoUsageMap/MiCoTagLegendBuilder.class.st b/src/MooseIDE-CoUsageMap/MiCoTagLegendBuilder.class.st
index f5bcffef..d62cfe70 100644
--- a/src/MooseIDE-CoUsageMap/MiCoTagLegendBuilder.class.st
+++ b/src/MooseIDE-CoUsageMap/MiCoTagLegendBuilder.class.st
@@ -4,7 +4,7 @@ The legend allows to check/uncheck each tag individually
 "
 Class {
 	#name : #MiCoTagLegendBuilder,
-	#superclass : #RSAbstractContainerBuilder,
+	#superclass : #RSBuilder,
 	#instVars : [
 		'tags',
 		'mapBuilder'
diff --git a/src/MooseIDE-CoUsageMap/MiCoUsageMapBuilder.class.st b/src/MooseIDE-CoUsageMap/MiCoUsageMapBuilder.class.st
index e156237a..1a4cc0a2 100644
--- a/src/MooseIDE-CoUsageMap/MiCoUsageMapBuilder.class.st
+++ b/src/MooseIDE-CoUsageMap/MiCoUsageMapBuilder.class.st
@@ -12,7 +12,7 @@ Width of each attbute is the total number of uses of that attribute in all conta
 "
 Class {
 	#name : #MiCoUsageMapBuilder,
-	#superclass : #RSAbstractContainerBuilder,
+	#superclass : #RSBuilder,
 	#instVars : [
 		'highlightManager',
 		'legendTagBuilder',