diff --git a/src/Microdown/MicSharedPool.class.st b/src/Microdown/MicSharedPool.class.st
index 736ffa16..0a38485f 100644
--- a/src/Microdown/MicSharedPool.class.st
+++ b/src/Microdown/MicSharedPool.class.st
@@ -45,6 +45,7 @@ Class {
 		'RawOpenerMarkup',
 		'StrikeMarkup',
 		'TableCellMarkup',
+		'ThreeLettersHTMLTags',
 		'URLCloserMarkup',
 		'URLOpenerMarkup',
 		'UnorderedListMarkup',
@@ -158,7 +159,8 @@ MicSharedPool class >> initialize [
 MicSharedPool class >> initializeRawParagraph [
 	"self initializeRawParagraph"
 	
-	HTMLTags := self htmlTags
+	HTMLTags := self htmlTags.
+	ThreeLettersHTMLTags := self threeLetterhtmlTags 
 ]
 
 { #category : 'class initialization' }
diff --git a/src/Microdown/MicrodownParser.class.st b/src/Microdown/MicrodownParser.class.st
index 356d6ac0..22e551a4 100644
--- a/src/Microdown/MicrodownParser.class.st
+++ b/src/Microdown/MicrodownParser.class.st
@@ -212,7 +212,7 @@ MicrodownParser >> blockStarterClassFrom: line [
 			and this conflict with <!-- obviously. Too bad!
 			we will be able to make this huge hack goes away."
 			(line first = $< and: [ 
-					(MicSharedPool threeLetterhtmlTags includes: (line allButFirst truncateTo: 3)) ])
+					(ThreeLettersHTMLTags includes: (line allButFirst truncateTo: 3)) ])
 				ifTrue: [ 
 					"we have a rawparagraph block" 
 					^ MicRawParagraphBlock