diff --git a/main/admin/skills.php b/main/admin/skills.php
index d5bdafc7bd..fb7a1f42d1 100755
--- a/main/admin/skills.php
+++ b/main/admin/skills.php
@@ -18,6 +18,7 @@ if (api_get_setting('allow_skills_tool') != 'true') {
 
 //Adds the JS needed to use the jqgrid
 $htmlHeadXtra[] = api_get_js('jquery.jsPlumb.all.js');
+$htmlHeadXtra[] = api_get_js('jqueryui-touch-punch/jquery.ui.touch-punch.min.js');
 $htmlHeadXtra[] = api_get_js('skills.js');
 
 $skill  = new Skill();
diff --git a/main/exercice/admin.php b/main/exercice/admin.php
index 2d5f06c4e3..a2f74259ac 100755
--- a/main/exercice/admin.php
+++ b/main/exercice/admin.php
@@ -336,6 +336,7 @@ function multiple_answer_true_false_onchange(variable) {
 
 </script>';
 
+$htmlHeadXtra[] = api_get_js('jqueryui-touch-punch/jquery.ui.touch-punch.min.js');
 $htmlHeadXtra[] = api_get_js('jquery.jsPlumb.all.js');
 
 $template = new Template();
diff --git a/main/exercice/exercise_submit.php b/main/exercice/exercise_submit.php
index 0ce8122ae7..0950bcdcc5 100755
--- a/main/exercice/exercise_submit.php
+++ b/main/exercice/exercise_submit.php
@@ -50,6 +50,7 @@ if ($showGlossary) {
     $htmlHeadXtra[] = api_get_js('jquery.highlight.js');
 }
 
+$htmlHeadXtra[] = api_get_js('jqueryui-touch-punch/jquery.ui.touch-punch.min.js');
 $htmlHeadXtra[] = api_get_js('jquery.jsPlumb.all.js');
 $htmlHeadXtra[] = api_get_js('d3/jquery.xcolor.js');
 
diff --git a/main/social/skills_tree.php b/main/social/skills_tree.php
index fbf8346658..0091fce4d9 100755
--- a/main/social/skills_tree.php
+++ b/main/social/skills_tree.php
@@ -18,6 +18,7 @@ if (api_get_setting('allow_skills_tool') != 'true') {
 
 //Adds the JS needed to use the jqgrid
 $htmlHeadXtra[] = api_get_jqgrid_js();
+$htmlHeadXtra[] = api_get_js('jqueryui-touch-punch/jquery.ui.touch-punch.min.js');
 $htmlHeadXtra[] = api_get_js('jquery.jsPlumb.all.js');
 $htmlHeadXtra[] = api_get_js('skills.js');