diff --git a/static/alpes-maritimes-2018/_custom.scss b/static/alpes-maritimes-2018/_custom.scss
index 94db0b8c..27cb8204 100644
--- a/static/alpes-maritimes-2018/_custom.scss
+++ b/static/alpes-maritimes-2018/_custom.scss
@@ -1047,7 +1047,7 @@ div.tracking-code-input-cell.homepage {
 	form {
 		padding: 0 1em 1em 1em;
 	}
-	input#tracking-code {
+	input.tracking-code--input {
 		margin-right: 1rem;
 	}
 }
diff --git a/static/caen/_custom.scss b/static/caen/_custom.scss
index 3d088645..8f4826dd 100644
--- a/static/caen/_custom.scss
+++ b/static/caen/_custom.scss
@@ -508,7 +508,7 @@ div.tracking-code-input-cell {
 		flex-wrap: wrap;
 		align-items: stretch;
 	}
-	input#tracking-code {
+	input.tracking-code--input {
 		flex: 1 1 0;
 		margin: 0;
 		min-width: 8em;
diff --git a/static/cci/_combo.scss b/static/cci/_combo.scss
index f3d454c6..953d12e3 100644
--- a/static/cci/_combo.scss
+++ b/static/cci/_combo.scss
@@ -226,7 +226,7 @@ div.text-cell {
 }
 
 .tracking-code-input-cell {
-	input#tracking-code {
+	input.tracking-code--input {
 		width: 100%;
 		margin-bottom: 1em;
 	}
diff --git a/static/nancy-en-direct/_custom.scss b/static/nancy-en-direct/_custom.scss
index 64b74735..ae4458eb 100644
--- a/static/nancy-en-direct/_custom.scss
+++ b/static/nancy-en-direct/_custom.scss
@@ -167,7 +167,7 @@ div.cell.trackingcodeinputcell {
 		border-left: 1px solid #ffffff;
 		border-right: 1px solid #ffffff;
 	}
-	input#tracking-code {
+	input.tracking-code--input {
 		background: url('img/code.png') center left no-repeat;
 		padding-left: 30px;
 		float: left;
diff --git a/templates/variants/lille/combo/wcs/tracking_code_input.html b/templates/variants/lille/combo/wcs/tracking_code_input.html
index fa1d4cf7..3772f9e7 100644
--- a/templates/variants/lille/combo/wcs/tracking_code_input.html
+++ b/templates/variants/lille/combo/wcs/tracking_code_input.html
@@ -8,7 +8,7 @@
       <div id="_cell_error_{{ cell.id }}" class="errornotice" style="display: none">
         {% trans "The tracking code could not been found." %}
       </div>
-      <input required aria-label="{% trans "Tracking Code" %}" id="tracking-code" name="code" placeholder="{% trans 'ex: CNPHNTFB' %}"/>
+      <input required aria-label="{% trans "Tracking Code" %}" class="tracking-code--input" id="tracking-code-{{ cell.id }}" name="code" placeholder="{% trans 'ex: CNPHNTFB' %}"/>
       <button></button>
       <script>
         $(function() {
diff --git a/templates/variants/metz-metropole-2019/combo/wcs/tracking_code_input.html b/templates/variants/metz-metropole-2019/combo/wcs/tracking_code_input.html
index 82bbe27b..8b87e51b 100644
--- a/templates/variants/metz-metropole-2019/combo/wcs/tracking_code_input.html
+++ b/templates/variants/metz-metropole-2019/combo/wcs/tracking_code_input.html
@@ -13,7 +13,7 @@
       <div id="_cell_error_{{ cell.id }}" class="errornotice" style="display: none">
         {% trans "The tracking code could not been found." %}
       </div>
-      <input required aria-label="{% trans "Tracking Code" %}" id="tracking-code" name="code" placeholder="{% trans 'ex: CNPHNTFB' %}"/>
+      <input required aria-label="{% trans "Tracking Code" %}" class="tracking-code--input" id="tracking-code-{{ cell.id }}" name="code" placeholder="{% trans 'ex: CNPHNTFB' %}"/>
       <button>OK</button>
       <script>
         $(function() {
diff --git a/templates/variants/strasbourg-2018/combo/wcs/tracking_code_input.html b/templates/variants/strasbourg-2018/combo/wcs/tracking_code_input.html
index 9afe2604..246ad342 100644
--- a/templates/variants/strasbourg-2018/combo/wcs/tracking_code_input.html
+++ b/templates/variants/strasbourg-2018/combo/wcs/tracking_code_input.html
@@ -18,7 +18,7 @@
           <input name="cell" value="{{ cell.id }}" type="hidden"/>
           <div class="form-group">
             <div class="form-field">
-              <input required aria-label="{% trans "Tracking Code" %}" id="tracking-code" name="code" placeholder="{% trans 'ex: CNPHNTFB' %}"/>
+              <input required aria-label="{% trans "Tracking Code" %}" class="tracking-code--input" id="tracking-code-{{ cell.id }}" name="code" placeholder="{% trans 'ex: CNPHNTFB' %}"/>
             </div>
             <div class="form-actions">
               <button class="btn-square--filled--core" type="submit"><span class="flexbox"><span class="btn-text">Valider</span><span class="btn-arrow"></span></span></button>
diff --git a/templates/variants/toodego/portal-user/combo/wcs/tracking_code_input.html b/templates/variants/toodego/portal-user/combo/wcs/tracking_code_input.html
index f9eb0635..c6d89ff1 100644
--- a/templates/variants/toodego/portal-user/combo/wcs/tracking_code_input.html
+++ b/templates/variants/toodego/portal-user/combo/wcs/tracking_code_input.html
@@ -8,8 +8,8 @@
       <div id="_cell_error_{{ cell.id }}" class="errornotice" style="display: none">
         {% trans "The tracking code could not been found." %}
       </div>
-      <label for="tracking-code" class="sr-only">Code de suivi</label>
-      <input required id="tracking-code" name="code" aria-labelledby="tracking_code_label"
+      <label for="tracking-code-{{ cell.id }}" class="sr-only">Code de suivi</label>
+      <input required class="tracking-code--input" id="tracking-code-{{ cell.id }}" name="code" aria-labelledby="tracking_code_label"
         placeholder="{% trans 'ex: CNPHNTFB' %}" title="{% trans 'ex: CNPHNTFB' %}" />
       <button class="icon-search"><span class="sr-only">Valider</span></button>
       <script>