diff --git a/src/main/packages/uml-activity-diagram/activity-preview.ts b/src/main/packages/uml-activity-diagram/activity-preview.ts
index 484b310df..413ec086b 100644
--- a/src/main/packages/uml-activity-diagram/activity-preview.ts
+++ b/src/main/packages/uml-activity-diagram/activity-preview.ts
@@ -31,14 +31,14 @@ export const composeActivityPreview: ComposePreview = (
 
   // Activity Initial Node
   const activityInitialNode = new UMLActivityInitialNode({
-    bounds: { x: 0, y: 0, width: 45 * scale, height: 45 * scale },
+    bounds: { x: 0, y: 0, width: 50 * scale, height: 50 * scale },
   });
 
   elements.push(activityInitialNode);
 
   // Activity Final Node
   const activityFinalNode = new UMLActivityFinalNode({
-    bounds: { x: 0, y: 0, width: 45 * scale, height: 45 * scale },
+    bounds: { x: 0, y: 0, width: 50 * scale, height: 50 * scale },
   });
   elements.push(activityFinalNode);
 
diff --git a/src/main/packages/uml-activity-diagram/uml-activity-final-node/uml-activity-final-node.ts b/src/main/packages/uml-activity-diagram/uml-activity-final-node/uml-activity-final-node.ts
index 0e08b55c7..d0588e4a9 100644
--- a/src/main/packages/uml-activity-diagram/uml-activity-final-node/uml-activity-final-node.ts
+++ b/src/main/packages/uml-activity-diagram/uml-activity-final-node/uml-activity-final-node.ts
@@ -13,7 +13,7 @@ export class UMLActivityFinalNode extends UMLElement {
   static features: UMLElementFeatures = { ...UMLElement.features, resizable: false, updatable: false };
 
   type: UMLElementType = ActivityElementType.ActivityFinalNode;
-  bounds: IBoundary = { ...this.bounds, width: 45, height: 45 };
+  bounds: IBoundary = { ...this.bounds, width: 50, height: 50 };
 
   constructor(values?: DeepPartial<IUMLElement>) {
     super(values);
diff --git a/src/main/packages/uml-activity-diagram/uml-activity-initial-node/uml-activity-initial-node.ts b/src/main/packages/uml-activity-diagram/uml-activity-initial-node/uml-activity-initial-node.ts
index df7afbb6e..9431c40ee 100644
--- a/src/main/packages/uml-activity-diagram/uml-activity-initial-node/uml-activity-initial-node.ts
+++ b/src/main/packages/uml-activity-diagram/uml-activity-initial-node/uml-activity-initial-node.ts
@@ -14,7 +14,7 @@ export class UMLActivityInitialNode extends UMLElement {
   static features: UMLElementFeatures = { ...UMLElement.features, resizable: false, updatable: false };
 
   type: UMLElementType = ActivityElementType.ActivityInitialNode;
-  bounds: IBoundary = { ...this.bounds, width: 45, height: 45 };
+  bounds: IBoundary = { ...this.bounds, width: 50, height: 50 };
 
   constructor(values?: DeepPartial<IUMLElement>) {
     super(values);
diff --git a/src/tests/unit/packages/uml-activity-diagram/uml-activity-final-node/__snapshots__/uml-activity-final-node-component-test.tsx.snap b/src/tests/unit/packages/uml-activity-diagram/uml-activity-final-node/__snapshots__/uml-activity-final-node-component-test.tsx.snap
index 4dea6bb2c..88457944a 100644
--- a/src/tests/unit/packages/uml-activity-diagram/uml-activity-final-node/__snapshots__/uml-activity-final-node-component-test.tsx.snap
+++ b/src/tests/unit/packages/uml-activity-diagram/uml-activity-final-node/__snapshots__/uml-activity-final-node-component-test.tsx.snap
@@ -10,7 +10,7 @@ exports[`render the uml-activity-final-node-component 1`] = `
           cx="50%"
           cy="50%"
           fill="white"
-          r="20"
+          r="22.5"
           stroke="black"
           stroke-width="5"
         />
@@ -20,7 +20,7 @@ exports[`render the uml-activity-final-node-component 1`] = `
           cy="50%"
           fill="black"
           fill-opacity="1"
-          r="15"
+          r="17.5"
           stroke="none"
         />
       </g>
diff --git a/src/tests/unit/packages/uml-activity-diagram/uml-activity-initial-node/__snapshots__/uml-activity-initial-node-component-test.tsx.snap b/src/tests/unit/packages/uml-activity-diagram/uml-activity-initial-node/__snapshots__/uml-activity-initial-node-component-test.tsx.snap
index 85a446fdd..8349b0ec7 100644
--- a/src/tests/unit/packages/uml-activity-diagram/uml-activity-initial-node/__snapshots__/uml-activity-initial-node-component-test.tsx.snap
+++ b/src/tests/unit/packages/uml-activity-diagram/uml-activity-initial-node/__snapshots__/uml-activity-initial-node-component-test.tsx.snap
@@ -11,7 +11,7 @@ exports[`render the uml-activity-intial-node-component 1`] = `
           cy="50%"
           fill="black"
           fill-opacity="1"
-          r="22.5"
+          r="25"
           stroke="none"
         />
       </g>