diff --git a/src/js/yunohost/controllers/apps.js b/src/js/yunohost/controllers/apps.js
index e3bf8432..b27c59c3 100644
--- a/src/js/yunohost/controllers/apps.js
+++ b/src/js/yunohost/controllers/apps.js
@@ -523,8 +523,6 @@
 
             if ((is_safe_for_install_color === "warning") || (is_safe_for_install_color === "danger"))
             {
-                // Disable the pacman while we ask for confirmation
-                $('div.loader').remove();
                 c.confirm(
                     y18n.t("applications"),
                     y18n.t("confirm_install_app_"+is_safe_for_install_color),
diff --git a/src/js/yunohost/controllers/home.js b/src/js/yunohost/controllers/home.js
index 54e201d6..d3361df6 100644
--- a/src/js/yunohost/controllers/home.js
+++ b/src/js/yunohost/controllers/home.js
@@ -24,20 +24,17 @@
         $('#masthead').show()
             .find('.logout-btn').hide();
         store.set('path-1', '#/login');
-        if ($('div.loader').length === 0) {
-            $('#main').append('<div class="loader loader-content"></div>');
-        }
+
+        c.showLoader();
 
         c.checkInstall(function(isInstalled) {
             if (isInstalled) {
-                // Remove loader
-                $('div.loader').remove();
+                c.hideLoader();
                 // Pass domain to hide form field
                 c.view('login', { 'domain': window.location.hostname });
             } else if (typeof isInstalled === 'undefined') {
                 if (app.isInstalledTry > 0) {
                     app.isInstalledTry--;
-                    app.loaded = false; // Show pacman
                     setTimeout(function() {
                         c.redirect('#/');
                     }, 5000);
@@ -56,12 +53,10 @@
                         $(document).off('ajaxError');
                     });
 
-                    // Remove pacman
-                    app.loaded = true;
-                    $('div.loader').remove();
+                    c.hideLoader();
                 }
             } else {
-                $('div.loader').remove();
+                c.hideLoader();
                 c.redirect('#/postinstall');
             }
         });
diff --git a/src/js/yunohost/controllers/tools.js b/src/js/yunohost/controllers/tools.js
index 52c69133..4e62c693 100644
--- a/src/js/yunohost/controllers/tools.js
+++ b/src/js/yunohost/controllers/tools.js
@@ -146,7 +146,7 @@
                 $('button[data-action="share"]').on("click", function() {
                     c.api('GET', '/logs/display?path='+$(this).data('log-id')+'&share', {},
                         function(data) {
-                            $('div.loader').remove();
+                            c.hideLoader();
                             window.open(data.url, '_blank');
                     });
                 });
@@ -241,8 +241,7 @@
                                 $('#main').replaceWith('<div id="main"><div class="alert alert-warning"><i class="fa-power-off"></i> ' + y18n.t('tools_shuttingdown') + '</div></div>');
                             }
 
-                            // Remove loader if any
-                            $('div.loader').remove();
+                            c.hideLoader();
 
                             // Force scrollTop on page load
                             $('html, body').scrollTop(0);
diff --git a/src/js/yunohost/events.js b/src/js/yunohost/events.js
index 28e121db..5cfb10c4 100644
--- a/src/js/yunohost/events.js
+++ b/src/js/yunohost/events.js
@@ -75,7 +75,7 @@
                 if (data.security["CVE-2017-5754"].vulnerable) {
                     c.flash('danger', y18n.t('meltdown'));
                 }
-                $('div.loader').remove();
+                c.hideLoader();
             });
         });
     });
diff --git a/src/js/yunohost/helpers.js b/src/js/yunohost/helpers.js
index a43aa396..1617e371 100644
--- a/src/js/yunohost/helpers.js
+++ b/src/js/yunohost/helpers.js
@@ -133,10 +133,9 @@
             if (window.navigator && window.navigator.language && (typeof data.locale === 'undefined')) {
                 data.locale = y18n.locale || window.navigator.language.substr(0, 2);
             }
-            app.loaded = false;
-            if ($('div.loader').length === 0) {
-                $('#main').append('<div class="loader loader-content"></div>');
-            }
+
+            c.showLoader();
+
             call = function(uri, callback, method, data, callbackOnFailure) {
 
                 var args = data;
@@ -152,6 +151,10 @@
                     callbackOnFailure = function(xhr) {
                         // Postinstall is a custom case, we have to wait that
                         // operation is done before doing anything
+                        //
+                        // TODO / FIXME : maybe we should add this as a
+                        // callbackonfailure during the actual api call instead
+                        // of hard-coding it here...
                         if ((uri === '/postinstall') && (post_installing)) {
                                 interval = window.location.hostname === args.domain ? 20000 : 5000;
                                 checkInstall = setInterval(function () {
@@ -216,8 +219,7 @@
                                 console.log(xhr);
                             }
 
-                            // Remove loader if any
-                            $('div.loader').remove();
+                            c.hideLoader();
 
                             // Force scrollTop on page load
                             $('html, body').scrollTop(0);
@@ -285,10 +287,8 @@
             callback = typeof callback !== 'undefined' ? callback : function() {};
             enableSlide = (typeof enableSlide !== 'undefined') ? enableSlide : true; // Change to false to disable animation
 
-            app.loaded = true;
-
             // Hide loader and modal
-            $('div.loader').remove();
+            c.hideLoader();
             $('#modal').modal('hide');
 
             // Render content
@@ -394,10 +394,14 @@
         },
 
         confirm: function(title, content, confirmCallback, cancelCallback) {
+            c = this;
+
             // Default callbacks
             confirmCallback = typeof confirmCallback !== 'undefined' ? confirmCallback : function() {};
             cancelCallback = typeof cancelCallback !== 'undefined' ? cancelCallback : function() {};
 
+            c.hideLoader();
+
             // Get modal element
             var box = $('#modal');
 
@@ -436,6 +440,18 @@
             return box.modal('show');
         },
 
+        showLoader: function() {
+            app.loaded = false; // Not sure if that's really useful ... this is from old code with no explanation what it really does ...
+            if ($('div.loader').length === 0) {
+                $('#main').append('<div class="loader loader-content"></div>');
+            }
+        },
+
+        hideLoader: function() {
+            app.loaded = true; // Not sure if that's really useful ... this is from old code with no explanation what it really does ...
+            $('div.loader').remove();
+        },
+
         selectAllOrNone: function () {
           // Remove active style from buttons
           $(".select_all-none input").click(function(){ $(this).toggleClass("active"); });
@@ -545,8 +561,7 @@
                 // Get paste content element
                 var preElement = $($(this).data('paste-content'));
 
-                // Add pacman loader
-                $('#main').append('<div class="loader loader-content"></div>');
+                c.showLoader();
 
                 // Send to paste.yunohost.org
                 $.ajax({
@@ -561,8 +576,7 @@
                     c.flash('fail', y18n.t('paste_error'));
                 })
                 .always(function(){
-                    // Remove pacman
-                    $('div.loader').remove();
+                    c.hideLoader();
                 });
             });
         },