diff --git a/repository/OpenPonk-ClassEditor/OPRSCairoMetricsProvider.class.st b/repository/OpenPonk-ClassEditor/OPRSCairoMetricsProvider.class.st
new file mode 100644
index 00000000..650372ed
--- /dev/null
+++ b/repository/OpenPonk-ClassEditor/OPRSCairoMetricsProvider.class.st
@@ -0,0 +1,22 @@
+Class {
+	#name : 'OPRSCairoMetricsProvider',
+	#superclass : 'RSCairoMetricsProvider',
+	#category : 'OpenPonk-ClassEditor-Shapes',
+	#package : 'OpenPonk-ClassEditor',
+	#tag : 'Shapes'
+}
+
+{ #category : 'hooks' }
+OPRSCairoMetricsProvider >> extentsOf: aRSLabel [
+	"This entire class exists to overcome 
+	https://github.com/pharo-graphics/Roassal/issues/64"
+
+	| copy |
+	self flag: 'https://github.com/pharo-graphics/Roassal/issues/64'.
+	aRSLabel isNormal ifTrue: [ ^ super extentsOf: aRSLabel ].
+	copy := RSLabel new
+		        font: aRSLabel font;
+		        text: aRSLabel text , '.';
+		        yourself.
+	^ copy textExtents
+]
diff --git a/repository/OpenPonk-ClassEditor/OPUmlClassifierNameLabel.class.st b/repository/OpenPonk-ClassEditor/OPUmlClassifierNameLabel.class.st
index b0b6e93f..2fc39d1c 100644
--- a/repository/OpenPonk-ClassEditor/OPUmlClassifierNameLabel.class.st
+++ b/repository/OpenPonk-ClassEditor/OPUmlClassifierNameLabel.class.st
@@ -96,5 +96,10 @@ OPUmlClassifierNameLabel >> updateRenderFromModel [
 
 	roassalShape := labeled labelShape.
 
+	roassalShape shapes do: [ :each |
+		self flag: 'https://github.com/pharo-graphics/Roassal/issues/64'.
+		each metricsProvider: OPRSCairoMetricsProvider new ].
+	roassalShape adjustToChildren.
+
 	roassalShape signalUpdate
 ]