diff --git a/src/components/Map/Drawer/BioEntityDrawer/AnnotationItem/AnnotationItem.component.tsx b/src/components/Map/Drawer/BioEntityDrawer/AnnotationItem/AnnotationItem.component.tsx
index 0598daaddb9833f83a0b45bb1003bcc5ef89a55c..0415e964dd05ea04089c3d908b42fcf2076c451d 100644
--- a/src/components/Map/Drawer/BioEntityDrawer/AnnotationItem/AnnotationItem.component.tsx
+++ b/src/components/Map/Drawer/BioEntityDrawer/AnnotationItem/AnnotationItem.component.tsx
@@ -5,7 +5,7 @@ type AnnotationItemProps = Pick<Reference, 'link' | 'type' | 'resource'>;
 
 export const AnnotationItem = ({ link, type, resource }: AnnotationItemProps): JSX.Element => (
   <a
-    className={twMerge('pl-3 text-sm font-normal', link ? 'underline' : '')}
+    className={twMerge('pl-3 text-sm font-normal', link ? 'text-blue-800 underline' : '')}
     href={link?.toString()}
     target="_blank"
   >