diff --git a/sigi/apps/diagnosticos/views.py b/sigi/apps/diagnosticos/views.py
index 96b0771..4233a6b 100644
--- a/sigi/apps/diagnosticos/views.py
+++ b/sigi/apps/diagnosticos/views.py
@@ -50,6 +50,7 @@ def categoria_detalhes(request, id_diagnostico, id_categoria):
     else:
         form = DiagnosticoMobileForm(instance=diagnostico, category=id_categoria)
 
-    context = RequestContext(request, {'form': form, 'categoria': categoria})
+    context = RequestContext(request, {'form': form, 'categoria': categoria,
+        'diagnostico': diagnostico})
     return render_to_response('diagnosticos/diagnosticos_categorias_form.html',
         context)
diff --git a/sigi/templates/diagnosticos/diagnosticos_categorias_form.html b/sigi/templates/diagnosticos/diagnosticos_categorias_form.html
index 6e08f51..dffbdbf 100644
--- a/sigi/templates/diagnosticos/diagnosticos_categorias_form.html
+++ b/sigi/templates/diagnosticos/diagnosticos_categorias_form.html
@@ -7,7 +7,7 @@
 
 {% block cabecalho %}
     <h1>{{ categoria.nome }}</h1>
-    <a href="{% url lista_categorias categoria.id %}" data-icon="arrow-l" 
+    <a href="{% url lista_categorias diagnostico.id %}" data-icon="arrow-l" 
     data-direction="reverse" data-theme="c" class="ui-btn-left">Voltar</a>
 {% endblock cabecalho %}