diff --git a/science/py-dlib/Makefile b/science/py-dlib/Makefile
index 22719cddc1c7..b56702836b8b 100644
--- a/science/py-dlib/Makefile
+++ b/science/py-dlib/Makefile
@@ -49,4 +49,12 @@ AVX_VARS_OFF=		avxargs="--no USE_AVX_INSTRUCTIONS"
 
 PYDISTUTILS_BUILDARGS=	--set BOOST_PYTHON_SUFFIX:STRING=${PYTHON_SUFFIX} ${X11ARGS} ${JPEGARGS} ${PNGARGS} ${GIFARGS} ${SQLITEARGS} ${BLASLAPACKARGS} ${AVXARGS} ${BLASLAPACK}
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${FLAVOR} == py27
+PLIST_SUB+=		PYTHON2="" PYTHON3="@comment "
+.else
+PLIST_SUB+=		PYTHON2="@comment " PYTHON3=""
+.endif
+
+.include <bsd.port.post.mk>
diff --git a/science/py-dlib/pkg-plist b/science/py-dlib/pkg-plist
index cca765735f7f..6dd59d547748 100644
--- a/science/py-dlib/pkg-plist
+++ b/science/py-dlib/pkg-plist
@@ -1,3 +1,5 @@
 %%PYTHON_SITELIBDIR%%/dlib/__init__.py
-%%PYTHON_SITELIBDIR%%/dlib/__pycache__/__init__.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
-%%PYTHON_SITELIBDIR%%/dlib/__pycache__/__init__.cpython-%%PYTHON_SUFFIX%%.pyc
+%%PYTHON2%%%%PYTHON_SITELIBDIR%%/dlib/__init__.pyc
+%%PYTHON2%%%%PYTHON_SITELIBDIR%%/dlib/__init__.pyo
+%%PYTHON3%%%%PYTHON_SITELIBDIR%%/dlib/__pycache__/__init__.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
+%%PYTHON3%%%%PYTHON_SITELIBDIR%%/dlib/__pycache__/__init__.cpython-%%PYTHON_SUFFIX%%.pyc