diff --git a/modules/core/templates/show_metadata.twig b/modules/core/templates/show_metadata.twig
index 9ff0f351693792123ac7b2597252bdfcbabc39a4..f39aee9fe3e69cd70e0263e1f42b9d5f92530c3a 100644
--- a/modules/core/templates/show_metadata.twig
+++ b/modules/core/templates/show_metadata.twig
@@ -4,7 +4,7 @@
     <div class="code-box">
         <div class="code-box-title">
             <h3>{{ 'Metadata'|trans }}</h3>
-            <button data-clipboard-target="#metadata" id="btn{{ loop.index }}" class="pure-button right clipboard-btn">
+            <button data-clipboard-target="#metadata" id="btn{{ loop.index }}" class="pure-button right clipboard-btn copy">
                 <span class="fa fa-copy"></span>
             </button>
         </div>
diff --git a/templates/error.twig b/templates/error.twig
index 23e06c570215d3ca551f54a430006e95d8d16995..6468acee2e1758ea3f7e0d170478c75de23a852c 100644
--- a/templates/error.twig
+++ b/templates/error.twig
@@ -19,7 +19,7 @@
         <p>{{ '{errors:report_trackid}' | trans }}</p>
         <div class="pure-button-group two-elements" role="group">
             <label class="pure-button hollow" disabled><pre id="trackid">{{ error.trackId }}</pre></label>
-            <button data-clipboard-target="#trackid" id="btntrackid" class="pure-button clipboard-btn">
+            <button data-clipboard-target="#trackid" id="btntrackid" class="pure-button clipboard-btn copy">
                 <i class="fa fa-copy"></i>
             </button>
         </div>
diff --git a/templates/metadata-converter.twig b/templates/metadata-converter.twig
index fff4d685fed2abf8cfaf3a6909fa2289404d74b1..b4c9e94c67d0113f2a28dbfc0439e14cda0077a3 100644
--- a/templates/metadata-converter.twig
+++ b/templates/metadata-converter.twig
@@ -31,7 +31,7 @@
     <div class="code-box">
         <div class="code-box-title">
             <h3> {{ type }}</h3>
-            <button data-clipboard-target="#metadata{{ loop.index }}" id="btn{{ loop.index }}" class="pure-button right clipboard-btn">
+            <button data-clipboard-target="#metadata{{ loop.index }}" id="btn{{ loop.index }}" class="pure-button right clipboard-btn copy">
                 <i class="fa fa-copy"></i>
             </button>
         </div>
diff --git a/templates/metadata.twig b/templates/metadata.twig
index f62aa13a63de424c49fdf92649d063af9f360f4b..cac105104175c14125ce4fdeeac456d3fad2b6bc 100644
--- a/templates/metadata.twig
+++ b/templates/metadata.twig
@@ -8,7 +8,7 @@
     <p>{{ 'You can get the metadata xml on a dedicated URL:' | trans }}</p>
     <div class="input-group">
         <pre id="metadataurl" class="input-left">{{ metaurl }}</pre>
-        <button data-clipboard-target="#metadataurl" id="btnurl" class="pure-button right clipboard-btn">
+        <button data-clipboard-target="#metadataurl" id="btnurl" class="pure-button right clipboard-btn copy">
             <span class="fa fa-copy"></span>
         </button>
     </div>
@@ -18,7 +18,7 @@
     <div class="code-box">
         <div class="code-box-title">
     <p>{{ 'In SAML 2.0 Metadata XML format:' | trans }}</p>
-            <button data-clipboard-target="#xmlmetadata" id="btnxml" class="pure-button right clipboard-btn">
+            <button data-clipboard-target="#xmlmetadata" id="btnxml" class="pure-button right clipboard-btn copy">
                 <span class="fa fa-copy"></span>
             </button>
         </div>
@@ -30,7 +30,7 @@
     <div class="code-box">
         <div class="code-box-title">
     <p>{{ 'In SimpleSAMLphp flat file format - use this if you are using a SimpleSAMLphp entity on the other side:' | trans }}</p>
-            <button data-clipboard-target="#phpmetadata" id="btnphp" class="pure-button right clipboard-btn">
+            <button data-clipboard-target="#phpmetadata" id="btnphp" class="pure-button right clipboard-btn copy">
                 <span class="fa fa-copy"></span>
             </button>
         </div>