diff --git a/plugins/org.eclipse.sirius.tests.junit/data/unit/layout/ticket1481/tc1481.aird b/plugins/org.eclipse.sirius.tests.junit/data/unit/layout/ticket1481/tc1481.aird
index 9c38534854..c0155e164e 100644
--- a/plugins/org.eclipse.sirius.tests.junit/data/unit/layout/ticket1481/tc1481.aird
+++ b/plugins/org.eclipse.sirius.tests.junit/data/unit/layout/ticket1481/tc1481.aird
@@ -169,7 +169,7 @@
           </edges>
           <edges xmi:type="notation:Edge" xmi:id="_2MVpYA8vEd-Sv-AozcjW4A" type="4001" element="_-wPYJZjEEeCTjf2eRUPO7Q" source="_2JCdwA8vEd-Sv-AozcjW4A" target="_2LYnIA8vEd-Sv-AozcjW4A">
             <children xmi:type="notation:Node" xmi:id="_2MVpZA8vEd-Sv-AozcjW4A" type="6001">
-              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_zFyVAoRLEeOg_8QSiaL3XA" y="40"/>
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_zFyVAoRLEeOg_8QSiaL3XA" x="-1" y="40"/>
             </children>
             <children xmi:type="notation:Node" xmi:id="_-vDFUpjEEeCTjf2eRUPO7Q" type="6002">
               <layoutConstraint xmi:type="notation:Bounds" xmi:id="_-vDFU5jEEeCTjf2eRUPO7Q" y="10"/>
@@ -179,7 +179,7 @@
             </children>
             <styles xmi:type="notation:ConnectorStyle" xmi:id="_2MVpYQ8vEd-Sv-AozcjW4A" routing="Rectilinear" jumpLinkStatus="Above"/>
             <styles xmi:type="notation:FontStyle" xmi:id="_2MVpYg8vEd-Sv-AozcjW4A" fontName="Segoe UI" fontHeight="8"/>
-            <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_2MVpYw8vEd-Sv-AozcjW4A" points="[10, 0, -384, 111]$[143, 0, -251, 111]$[143, -111, -251, 0]$[384, -111, -10, 0]"/>
+            <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_2MVpYw8vEd-Sv-AozcjW4A" points="[10, 0, -384, 107]$[143, 0, -251, 107]$[143, -107, -251, 0]$[384, -107, -10, 0]"/>
           </edges>
           <edges xmi:type="notation:Edge" xmi:id="_gYqHwDaZEd-5jPRUUjhbiA" type="4001" element="_-wP_MJjEEeCTjf2eRUPO7Q" source="_gXrQUDaZEd-5jPRUUjhbiA" target="_gYVXoDaZEd-5jPRUUjhbiA">
             <children xmi:type="notation:Node" xmi:id="_gYrV4DaZEd-5jPRUUjhbiA" type="6001">
diff --git a/plugins/org.eclipse.sirius.tests.junit/src/org/eclipse/sirius/tests/unit/diagram/format/data/EdgeStabilityOnPortCollapsingTest.java b/plugins/org.eclipse.sirius.tests.junit/src/org/eclipse/sirius/tests/unit/diagram/format/data/EdgeStabilityOnPortCollapsingTest.java
index 3ccf1aea4d..17e3032e2c 100644
--- a/plugins/org.eclipse.sirius.tests.junit/src/org/eclipse/sirius/tests/unit/diagram/format/data/EdgeStabilityOnPortCollapsingTest.java
+++ b/plugins/org.eclipse.sirius.tests.junit/src/org/eclipse/sirius/tests/unit/diagram/format/data/EdgeStabilityOnPortCollapsingTest.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2010, 2019 THALES GLOBAL SERVICES.
+ * Copyright (c) 2010, 2024 THALES GLOBAL SERVICES.
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
@@ -82,10 +82,10 @@ public class EdgeStabilityOnPortCollapsingTest extends SiriusDiagramTestCase {
         pointsToE.add(new Point(612, 250));
         CONNECTION_EDITPART_POINTS.put("toE", pointsToE);
         ArrayList<Point> pointsToF = new ArrayList<Point>();
-        pointsToF.add(new Point(244, 195));
-        pointsToF.add(new Point(377, 195));
-        pointsToF.add(new Point(377, 85));
-        pointsToF.add(new Point(618, 85));
+        pointsToF.add(new Point(244, 194));
+        pointsToF.add(new Point(377, 194));
+        pointsToF.add(new Point(377, 87));
+        pointsToF.add(new Point(618, 87));
         CONNECTION_EDITPART_POINTS.put("toF", pointsToF);
     }