--- a/src_js/iconolab-bundle/src/components/tagform/TagListItem.vue	Mon Feb 27 18:19:32 2017 +0100
+++ b/src_js/iconolab-bundle/src/components/tagform/TagListItem.vue	Mon Feb 27 19:08:52 2017 +0100
@@ -4,15 +4,15 @@
             <span class="tag-title">{{ label }}</span>
             <div class="tag-item-buttons">
                 <div class="tag-item-btn tag-item-accuracy" v-bind:data-value="accuracy">
-                    <button class="btn btn-default" v-bind:title="accuracyTitle">{{ accuracy || '?' }}</button>
+                    <button type="button" class="btn btn-default" v-bind:title="accuracyTitle">{{ accuracy || '?' }}</button>
                     <i v-if="index === 0" class="fa fa-exclamation-triangle text-muted" aria-hidden="true" title="Fiabilité"></i>
                 </div>
                 <div class="tag-item-btn tag-item-relevancy" v-bind:data-value="relevancy">
-                    <button class="btn btn-default" v-bind:title="relevancyTitle">{{ relevancy || '?' }}</button>
+                    <button type="button" class="btn btn-default" v-bind:title="relevancyTitle">{{ relevancy || '?' }}</button>
                     <i v-if="index === 0" class="fa fa-crosshairs text-muted" aria-hidden="true" title="Pertinence"></i>
                 </div>
                 <div v-show="!readonly" class="tag-item-btn tag-item-delete">
-                    <button class="btn btn-default" @click="remove"><i class="fa fa-times" aria-hidden="true"></i></button>
+                    <button type="button" class="btn btn-default" @click="remove"><i class="fa fa-times" aria-hidden="true"></i></button>
                 </div>
             </div>
         </div>

--- a/src_js/iconolab-bundle/src/components/tagform/Typeahead.vue	Mon Feb 27 18:19:32 2017 +0100
+++ b/src_js/iconolab-bundle/src/components/tagform/Typeahead.vue	Mon Feb 27 19:08:52 2017 +0100
@@ -6,6 +6,7 @@
             v-bind:placeholder="placeholder"
             autocomplete="off"
             v-model="query"
+            @keypress.enter="preventSubmit"
             @keydown.down="down"
             @keydown.up="up"
             @keydown.enter="hit($event)"
@@ -163,6 +164,10 @@
                 if (!selected) { return; }
                 this.$emit('selected', selected);
                 this.reset();
+            },
+            preventSubmit(e) {
+                e.preventDefault();
+                e.stopPropagation();
             }
         }