diff --git a/sidebars/astrodidattica.php b/sidebars/astrodidattica.php
index 3678d08..7aeca92 100644
--- a/sidebars/astrodidattica.php
+++ b/sidebars/astrodidattica.php
@@ -172,9 +172,9 @@ add_shortcode( 'sbdidattica', function () {
 		$term_link = get_term_link( $term, 'collaborazioni' );
 		$i++;
 		if ( $i < $numcat ) {
-			$ente = $ente.'<a rel="tag" href="'.$term_link.'"><img src="https://edu.inaf.it/wp-content/plugins/eduinaf/images/coll/"'.$term->slug.'.png" width="90%" /></a><br/>';
+			$ente = $ente.'<a rel="tag" href="'.$term_link.'"><img src="https://edu.inaf.it/wp-content/plugins/eduinaf/images/coll/'.$term->slug.'.png" width="90%" /></a><br/>';
 		} else {
-			$ente = $ente.'<a rel="tag" href="'.$term_link.'"><img src="https://edu.inaf.it/wp-content/plugins/eduinaf/images/coll/"'.$term->slug.'.png" width="90%" /></a>';
+			$ente = $ente.'<a rel="tag" href="'.$term_link.'"><img src="https://edu.inaf.it/wp-content/plugins/eduinaf/images/coll/'.$term->slug.'.png" width="90%" /></a>';
 		}	
 	}