diff --git a/packages/main/src/bundle.esm.ts b/packages/main/src/bundle.esm.ts
index 747c29e96aec..f770e818a792 100644
--- a/packages/main/src/bundle.esm.ts
+++ b/packages/main/src/bundle.esm.ts
@@ -231,12 +231,12 @@ registerIconLoader("my-custom-icons", () => {
 });
 
 registerIcon("pencil", {
-	collection: "my-custom-icons",
+	collection: "my-custom-icons2",
 	customTemplate: IconPensilJSXTemplate,
 });
 
 unsafeRegisterIcon("pencil2", {
-	collection: "my-custom-icons",
+	collection: "my-custom-icons3",
 	customTemplateAsString: `<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg">
 		<g clip-path="url(#clip0_2221_23716)"><path d="M11.3333 1.99998C11.503 1.79933 11.7131 1.63601 11.9499 1.52043C12.1868 1.40485 12.4453 1.33953 12.709 1.32865C12.9727 1.31777 13.2358 1.36156 13.4815 1.45723C13.7272 1.55291 13.9502 1.69836 14.1361 1.88432C14.3221 2.07029 14.467 2.29268 14.5616 2.53734C14.6562 2.78199 14.6985 3.04353 14.6857 3.3053C14.6728 3.56706 14.6052 3.8233 14.4872 4.05769C14.3691 4.29207 14.2032 4.49947 13.9999 4.66664L4.99992 13.6666L1.33325 14.6666L2.33325 11L11.3333 1.99998Z" stroke-linecap="round" stroke-linejoin="round"/><path d="M10 3.33331L12.6667 5.99998" stroke-linecap="round" stroke-linejoin="round"/></g>
 		<defs>
@@ -246,7 +246,7 @@ unsafeRegisterIcon("pencil2", {
 });
 
 registerIcon("myIcon", {
-	collection: "my-custom-icons",
+	collection: "my-custom-icons4",
 	pathData: "M16.5 76c0-41 32-75 72-75h335c40 0 72 34 72 75v329c0 41-32 75-72 75h-335c-40 0-72-34-72-75V76zm263 356h144c13 0 24-12 24-27V76c0-15-11-27-24-27h-144v383zM88.5 49c-13 0-24 12-24 27v329c0 15 11 27 24 27h143V49h-143z",
 });
 
diff --git a/packages/main/test/pages/Icon_custom.html b/packages/main/test/pages/Icon_custom.html
index 3ea1cff1e644..5b6b13055169 100644
--- a/packages/main/test/pages/Icon_custom.html
+++ b/packages/main/test/pages/Icon_custom.html
@@ -13,19 +13,24 @@
 	<ui5-icon name="tnt/actor"></ui5-icon>tnt/actor<br>
 	<ui5-icon name="my-custom-icons/mark"></ui5-icon>my-custom-icons/mark<br>
 
+	<p></p>
+	<ui5-icon name="my-custom-icons/mark"></ui5-icon>
+	<ui5-button icon="my-custom-icons/mark"></ui5-button>
+	<ui5-avatar icon="my-custom-icons/mark"></ui5-avatar>
+
 	<p>Custom icons via JSX template</p>
-	<ui5-icon name="my-custom-icons/pencil"></ui5-icon>
-	<ui5-button icon="my-custom-icons/pencil"></ui5-button>
-	<ui5-avatar icon="my-custom-icons/pencil"></ui5-avatar>
+	<ui5-icon name="my-custom-icons2/pencil"></ui5-icon>
+	<ui5-button icon="my-custom-icons2/pencil"></ui5-button>
+	<ui5-avatar icon="my-custom-icons2/pencil"></ui5-avatar>
 
 	<p>Custom icons via template string</p>
-	<ui5-icon name="my-custom-icons/pencil2"></ui5-icon>
-	<ui5-button icon="my-custom-icons/pencil2"></ui5-button>
-	<ui5-avatar icon="my-custom-icons/pencil2"></ui5-avatar>
+	<ui5-icon name="my-custom-icons3/pencil2"></ui5-icon>
+	<ui5-button icon="my-custom-icons3/pencil2"></ui5-button>
+	<ui5-avatar icon="my-custom-icons3/pencil2"></ui5-avatar>
 
 	<p>Custom icons via pathData</p>
-	<ui5-icon name="my-custom-icons/myIcon"></ui5-icon>
-	<ui5-button icon="my-custom-icons/myIcon"></ui5-button>
-	<ui5-avatar icon="my-custom-icons/myIcon"></ui5-avatar>
+	<ui5-icon name="my-custom-icons4/myIcon"></ui5-icon>
+	<ui5-button icon="my-custom-icons4/myIcon"></ui5-button>
+	<ui5-avatar icon="my-custom-icons4/myIcon"></ui5-avatar>
 </body>
 </html>