diff --git a/upt_macports/templates/base.Portfile b/upt_macports/templates/base.Portfile
index 685b4fb..0ba470c 100644
--- a/upt_macports/templates/base.Portfile
+++ b/upt_macports/templates/base.Portfile
@@ -1,3 +1,11 @@
+{%- macro depends(kind, deps) -%}{% if deps %}
+    depends_{{ kind }}-append \
+                    {% for dep in deps %}
+                port:{{ dep|reqformat }}{% if not loop.last %} \
+                    {% endif %}
+                    {% endfor %}
+{% endif %}
+{% endmacro -%}
 # -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
 
 PortSystem          1.0
diff --git a/upt_macports/templates/python.Portfile b/upt_macports/templates/python.Portfile
index 27fbfcd..a08c948 100644
--- a/upt_macports/templates/python.Portfile
+++ b/upt_macports/templates/python.Portfile
@@ -28,24 +28,14 @@ if {${name} ne ${subport}} {
     ## file that setuptools is indeed used and that the dependency-type is correct.
     depends_build-append \
                     port:py${python.version}-setuptools
-    {%- if pkg.upt_pkg.requirements.run|length > 0 %}
-
-
-    depends_lib-append \
-                    {% for i in pkg.upt_pkg.requirements.run|sort(attribute='name') %}
-                    port:py${python.version}-{{i.name}}{% if not loop.last %} \
-                    {% endif %}
-                    {% endfor %}
-    {% endif %}
-    {%- if pkg.upt_pkg.requirements.test|length > 0 %}
 
+{% if pkg.upt_pkg.requirements.run %}
+{{ depends('lib', pkg.upt_pkg.requirements.run) -}}
+{% endif %}
 
-    depends_test-append \
-                    {% for i in pkg.upt_pkg.requirements.test|sort(attribute='name') %}
-                    port:py${python.version}-{{i.name}}{% if not loop.last %} \
-                    {% endif %}
-                    {% endfor %}
-    {% endif %}
+{% if pkg.upt_pkg.requirements.test %}
+{{ depends('test', pkg.upt_pkg.requirements.test) -}}
+{% endif %}
 
 
     livecheck.type  none
diff --git a/upt_macports/upt_macports.py b/upt_macports/upt_macports.py
index 55cf2db..6f7b709 100644
--- a/upt_macports/upt_macports.py
+++ b/upt_macports/upt_macports.py
@@ -22,6 +22,7 @@ def _render_makefile_template(self):
             lstrip_blocks=True,
             keep_trailing_newline=True,
         )
+        env.filters['reqformat'] = self.jinja2_reqformat
         template = env.get_template(self.template)
         return template.render(pkg=self)
 
@@ -105,6 +106,10 @@ def _python_root_name(self):
         if pypi_name != self.upt_pkg.name.lower():
             return pypi_name
 
+    def jinja2_reqformat(self, req):
+        return 'py${python.version}-'+req.name
+
+
 
 class MacPortsNpmPackage(MacPortsPackage):
     template = 'npm.Portfile'