diff --git a/packages/core/src/components/Tabs/Tab/Tab.tsx b/packages/core/src/components/Tabs/Tab/Tab.tsx
index 7228766fd5..113db8900c 100644
--- a/packages/core/src/components/Tabs/Tab/Tab.tsx
+++ b/packages/core/src/components/Tabs/Tab/Tab.tsx
@@ -70,11 +70,13 @@ const Tab: FC<TabProps> = forwardRef(
         />
       );
 
+      const childrenArray = React.Children.toArray(children);
+
       if (iconSide === "left") {
-        return [iconElement, ...children];
+        return [iconElement, ...childrenArray];
       }
 
-      return [...children, iconElement];
+      return [...childrenArray, iconElement];
     }
     return (
       <li