diff --git a/src/Bloc-Serialization-Tests/BlocSerializationBackgroundTests.class.st b/src/Bloc-Serialization-Tests/BlocSerializationBackgroundTests.class.st
index 650c276..4c4a239 100644
--- a/src/Bloc-Serialization-Tests/BlocSerializationBackgroundTests.class.st
+++ b/src/Bloc-Serialization-Tests/BlocSerializationBackgroundTests.class.st
@@ -169,8 +169,8 @@ BlocSerializationBackgroundTests >> testRadailGradient1 [
 
 	self test: origin on: [ :element |
 		self assert: element background isTransparent equals: false.
-		self assert: element background paint center equals: 1 @ 5.
-		self assert: element background paint radius equals: 10.
+		self assert: element background paint outerCenter equals: 1 @ 5.
+		self assert: element background paint outerRadius equals: 10.
 		self assert: element background paint stops size equals: 2.
 		self
 			assert: (element background paint stops at: 1)
@@ -185,7 +185,7 @@ BlocSerializationBackgroundTests >> testRadialGradient2 [
 
 	| origin |
 	origin := BlElement new background: (BlRadialGradientPaint new
-			           stops: { 
+			           stops: {
 					           (0 -> Color red).
 					           (0.1 -> Color blue).
 					           (0.2 -> Color green).
@@ -197,8 +197,8 @@ BlocSerializationBackgroundTests >> testRadialGradient2 [
 
 	self test: origin on: [ :element |
 		self assert: element background isTransparent equals: false.
-		self assert: element background paint center equals: 1 @ 5.
-		self assert: element background paint radius equals: 10.
+		self assert: element background paint outerCenter equals: 1 @ 5.
+		self assert: element background paint outerRadius equals: 10.
 		self assert: element background paint stops size equals: 5.
 		self
 			assert: (element background paint stops at: 1)