diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_horizontal_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_horizontal_layout.html.twig
index f6b8671513..767e2798f3 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_horizontal_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_horizontal_layout.html.twig
@@ -9,7 +9,7 @@
 
 {% block form_label -%}
 {% spaceless %}
-    {% if label is sameas(false) %}
+    {% if label is same as(false) %}
         <div class="{{ block('form_label_class') }}"></div>
     {% else %}
         {% set label_attr = label_attr|merge({class: (label_attr.class|default('') ~ ' ' ~ block('form_label_class'))|trim}) %}
diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_layout.html.twig
index 7405612a9b..a788a3df89 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_3_layout.html.twig
@@ -166,12 +166,12 @@
         {% if parent_label_class is defined %}
             {% set label_attr = label_attr|merge({class: (label_attr.class|default('') ~ ' ' ~ parent_label_class)|trim}) %}
         {% endif %}
-        {% if label is not sameas(false) and label is empty %}
+        {% if label is not same as(false) and label is empty %}
             {% set label = name|humanize %}
         {% endif %}
         <label{% for attrname, attrvalue in label_attr %} {{ attrname }}="{{ attrvalue }}"{% endfor %}>
             {{- widget|raw -}}
-            {{- label is not sameas(false) ? (translation_domain is sameas(false) ? label : label|trans({}, translation_domain)) -}}
+            {{- label is not same as(false) ? (translation_domain is same as(false) ? label : label|trans({}, translation_domain)) -}}
         </label>
     {% endif %}
 {% endblock checkbox_radio_label %}
diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
index 1c428fdbc7..77275db49e 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
@@ -74,13 +74,13 @@
 {%- block choice_widget_options -%}
     {% for group_label, choice in options %}
         {%- if choice is iterable -%}
-            <optgroup label="{{ choice_translation_domain is sameas(false) ? group_label : group_label|trans({}, choice_translation_domain) }}">
+            <optgroup label="{{ choice_translation_domain is same as(false) ? group_label : group_label|trans({}, choice_translation_domain) }}">
                 {% set options = choice %}
                 {{- block('choice_widget_options') -}}
             </optgroup>
         {%- else -%}
             {% set attr = choice.attr %}
-            <option value="{{ choice.value }}" {{ block('attributes') }}{% if choice is selectedchoice(value) %} selected="selected"{% endif %}>{{ choice_translation_domain is sameas(false) ? choice.label : choice.label|trans({}, choice_translation_domain) }}</option>
+            <option value="{{ choice.value }}" {{ block('attributes') }}{% if choice is selectedchoice(value) %} selected="selected"{% endif %}>{{ choice_translation_domain is same as(false) ? choice.label : choice.label|trans({}, choice_translation_domain) }}</option>
         {%- endif -%}
     {% endfor %}
 {%- endblock choice_widget_options -%}
@@ -220,7 +220,7 @@
                 {% set label = name|humanize %}
             {%- endif -%}
         {%- endif -%}
-        <label{% for attrname, attrvalue in label_attr %} {{ attrname }}="{{ attrvalue }}"{% endfor %}>{{ translation_domain is sameas(false) ? label : label|trans({}, translation_domain) }}</label>
+        <label{% for attrname, attrvalue in label_attr %} {{ attrname }}="{{ attrvalue }}"{% endfor %}>{{ translation_domain is same as(false) ? label : label|trans({}, translation_domain) }}</label>
     {%- endif -%}
 {%- endblock form_label -%}
 
@@ -321,9 +321,9 @@
         {{- " " -}}
         {%- if attrname in ['placeholder', 'title'] -%}
             {{- attrname }}="{{ attrvalue|trans({}, translation_domain) }}"
-        {%- elseif attrvalue is sameas(true) -%}
+        {%- elseif attrvalue is same as(true) -%}
             {{- attrname }}="{{ attrname }}"
-        {%- elseif attrvalue is not sameas(false) -%}
+        {%- elseif attrvalue is not same as(false) -%}
             {{- attrname }}="{{ attrvalue }}"
         {%- endif -%}
     {%- endfor -%}
@@ -335,9 +335,9 @@
         {{- " " -}}
         {%- if attrname in ['placeholder', 'title'] -%}
             {{- attrname }}="{{ attrvalue|trans({}, translation_domain) }}"
-        {%- elseif attrvalue is sameas(true) -%}
+        {%- elseif attrvalue is same as(true) -%}
             {{- attrname }}="{{ attrname }}"
-        {%- elseif attrvalue is not sameas(false) -%}
+        {%- elseif attrvalue is not same as(false) -%}
             {{- attrname }}="{{ attrvalue }}"
         {%- endif -%}
     {%- endfor -%}
@@ -349,9 +349,9 @@
         {{- " " -}}
         {%- if attrname in ['placeholder', 'title'] -%}
             {{- attrname }}="{{ attrvalue|trans({}, translation_domain) }}"
-        {%- elseif attrvalue is sameas(true) -%}
+        {%- elseif attrvalue is same as(true) -%}
             {{- attrname }}="{{ attrname }}"
-        {%- elseif attrvalue is not sameas(false) -%}
+        {%- elseif attrvalue is not same as(false) -%}
             {{- attrname }}="{{ attrvalue }}"
         {%- endif -%}
     {%- endfor -%}
@@ -362,9 +362,9 @@
         {{- " " -}}
         {%- if attrname in ['placeholder', 'title'] -%}
             {{- attrname }}="{{ attrvalue|trans({}, translation_domain) }}"
-        {%- elseif attrvalue is sameas(true) -%}
+        {%- elseif attrvalue is same as(true) -%}
             {{- attrname }}="{{ attrname }}"
-        {%- elseif attrvalue is not sameas(false) -%}
+        {%- elseif attrvalue is not same as(false) -%}
             {{- attrname }}="{{ attrvalue }}"
         {%- endif -%}
     {%- endfor -%}
diff --git a/src/Symfony/Bundle/WebProfilerBundle/Resources/views/Collector/form.html.twig b/src/Symfony/Bundle/WebProfilerBundle/Resources/views/Collector/form.html.twig
index 037ad28c84..33cbf8f242 100644
--- a/src/Symfony/Bundle/WebProfilerBundle/Resources/views/Collector/form.html.twig
+++ b/src/Symfony/Bundle/WebProfilerBundle/Resources/views/Collector/form.html.twig
@@ -610,7 +610,7 @@
                     <th>{{ option }}</th>
                     <td><pre>{{ value }}</pre></td>
                     <td>
-                        {% if data.resolved_options[option] is sameas(value) %}
+                        {% if data.resolved_options[option] is same as(value) %}
                             <em>same as passed value</em>
                         {% else %}
                             <pre>{{ data.resolved_options[option] }}</pre>