diff --git a/smalltalksrc/VMMaker/Spur64BitMemoryManager.class.st b/smalltalksrc/VMMaker/Spur64BitMemoryManager.class.st
index 09fc0bcd92..1d9f1e49df 100644
--- a/smalltalksrc/VMMaker/Spur64BitMemoryManager.class.st
+++ b/smalltalksrc/VMMaker/Spur64BitMemoryManager.class.st
@@ -995,13 +995,10 @@ Spur64BitMemoryManager >> setIsPinnedOf: objOop to: aBoolean [
 
 { #category : #'header access' }
 Spur64BitMemoryManager >> setIsRememberedOf: objOop to: aBoolean [
-
-	self longAt: objOop put: (false
-			 ifTrue: [ 
-			 (self longAt: objOop) bitOr: 1 << self rememberedBitShift ]
-			 ifFalse: [ 
-				 (self longAt: objOop) bitAnd:
-					 (1 << self rememberedBitShift) bitInvert64 ])
+	self longAt: objOop
+		put: (aBoolean
+				ifTrue: [(self longAt: objOop) bitOr: 1 << self rememberedBitShift]
+				ifFalse: [(self longAt: objOop) bitAnd: (1 << self rememberedBitShift) bitInvert64])
 ]
 
 { #category : #'word size' }