diff --git a/deskutils/treeline/Makefile b/deskutils/treeline/Makefile
index 7a653002f836..0c53765540e7 100644
--- a/deskutils/treeline/Makefile
+++ b/deskutils/treeline/Makefile
@@ -33,7 +33,7 @@ LIB_DEPENDS+=	expat.5:${PORTSDIR}/textproc/expat2
 
 WRKSRC=		${WRKDIR}/TreeLine
 USE_QT_VER=	3
-USE_PYTHON=	2.3+
+USE_PYTHON=	2.3
 NO_BUILD=	yes
 
 pre-everything::
diff --git a/devel/kodos/Makefile b/devel/kodos/Makefile
index 7d59bd660fdb..b8a76f0c1e82 100644
--- a/devel/kodos/Makefile
+++ b/devel/kodos/Makefile
@@ -19,7 +19,7 @@ COMMENT=	The Python Regular Expression Debugger
 RUN_DEPENDS=	${PYTHON_SITELIBDIR}/qt.so:${PORTSDIR}/x11-toolkits/py-qt
 
 USE_REINPLACE=	yes
-USE_PYTHON=	1.5+
+USE_PYTHON=	1.5-2.3
 USE_PYDISTUTILS=	yes
 
 PLIST_FILES=	bin/kodos ${PYTHON_SITELIBDIR:S,^${PREFIX}/,,}/kodos.pth
diff --git a/devel/py-sip/Makefile b/devel/py-sip/Makefile
index 7604ec983668..9e161b0ca7c7 100644
--- a/devel/py-sip/Makefile
+++ b/devel/py-sip/Makefile
@@ -15,7 +15,7 @@ COMMENT=	Python to C and C++ bindings generator
 
 BUILD_DEPENDS=	qmake:${PORTSDIR}/devel/qmake
 
-USE_PYTHON=	yes
+USE_PYTHON=	2.3
 USE_QT_VER=	3
 
 .include <bsd.port.pre.mk>
diff --git a/graphics/imgseek/Makefile b/graphics/imgseek/Makefile
index cd0d45f33e6c..e8111eb2eb67 100644
--- a/graphics/imgseek/Makefile
+++ b/graphics/imgseek/Makefile
@@ -20,7 +20,7 @@ BUILD_DEPENDS=  pyuic:${PORTSDIR}/x11-toolkits/py-qt \
 
 USE_CONFIGURE=	no
 USE_PYDISTUTILS=	yes
-USE_PYTHON=	yes
+USE_PYTHON=	2.3
 USE_BZIP2=      yes
 INSTALLS_SHLIB=	yes
 LDCONFIG_DIRS=	${PYTHON_SITELIBDIR}/imgSeekLib
diff --git a/graphics/lphoto/Makefile b/graphics/lphoto/Makefile
index d4e47f3a9d47..be255e0f7d1b 100644
--- a/graphics/lphoto/Makefile
+++ b/graphics/lphoto/Makefile
@@ -21,7 +21,7 @@ RUN_DEPENDS=	gphoto2:${PORTSDIR}/graphics/gphoto2 \
 		kdepyuic:${PORTSDIR}/x11-toolkits/py-kde
 
 USE_REINPLACE=	yes
-USE_PYTHON=	yes
+USE_PYTHON=	2.3
 NO_BUILD=	yes
 WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION}
 
diff --git a/math/convertall/Makefile b/math/convertall/Makefile
index b1e8da8cc280..d83572b1747d 100644
--- a/math/convertall/Makefile
+++ b/math/convertall/Makefile
@@ -18,7 +18,7 @@ RUN_DEPENDS=	pyuic:${PORTSDIR}/x11-toolkits/py-qt
 
 WRKSRC=		${WRKDIR}/ConvertAll
 USE_REINPLACE=	yes
-USE_PYTHON=	yes
+USE_PYTHON=	2.3
 USE_X_PREFIX=	yes
 NO_BUILD=	yes
 PORTDOCS=	README.html INSTALL LICENSE
diff --git a/misc/flyway/Makefile b/misc/flyway/Makefile
index 0f128a187e0c..0b75b0c3820d 100644
--- a/misc/flyway/Makefile
+++ b/misc/flyway/Makefile
@@ -18,7 +18,7 @@ BUILD_DEPENDS=	pyuic:${PORTSDIR}/x11-toolkits/py-qt
 RUN_DEPENDS=	pyuic:${PORTSDIR}/x11-toolkits/py-qt
 
 USE_X_PREFIX=	yes
-USE_PYTHON=	yes
+USE_PYTHON=	2.3
 USE_REINPLACE=	yes
 NO_BUILD=	yes
 WRKSRC=		${WRKDIR}/FlyWay
diff --git a/net-p2p/qtorrent/Makefile b/net-p2p/qtorrent/Makefile
index 6d846b67d8d3..204de6018226 100644
--- a/net-p2p/qtorrent/Makefile
+++ b/net-p2p/qtorrent/Makefile
@@ -17,7 +17,7 @@ BUILD_DEPENDS=	pyuic:${PORTSDIR}/x11-toolkits/py-qt
 RUN_DEPENDS=	pyuic:${PORTSDIR}/x11-toolkits/py-qt
 
 USE_BZIP2=	yes
-USE_PYTHON=	yes
+USE_PYTHON=	2.3
 USE_PYDISTUTILS=yes
 
 pre-everything::
diff --git a/net/qtorrent/Makefile b/net/qtorrent/Makefile
index 6d846b67d8d3..204de6018226 100644
--- a/net/qtorrent/Makefile
+++ b/net/qtorrent/Makefile
@@ -17,7 +17,7 @@ BUILD_DEPENDS=	pyuic:${PORTSDIR}/x11-toolkits/py-qt
 RUN_DEPENDS=	pyuic:${PORTSDIR}/x11-toolkits/py-qt
 
 USE_BZIP2=	yes
-USE_PYTHON=	yes
+USE_PYTHON=	2.3
 USE_PYDISTUTILS=yes
 
 pre-everything::
diff --git a/sysutils/luma/Makefile b/sysutils/luma/Makefile
index 65c12c9e7abc..7abe46773308 100644
--- a/sysutils/luma/Makefile
+++ b/sysutils/luma/Makefile
@@ -20,7 +20,7 @@ RUN_DEPENDS=	${PYTHON_SITELIBDIR}/_ldap.so:${PORTSDIR}/net/py-ldap2 \
 		pyuic:${PORTSDIR}/x11-toolkits/py-qt
 
 USE_BZIP2=		yes
-USE_PYTHON=		yes
+USE_PYTHON=		2.3
 USE_PYDISTUTILS=	yes
 PYSETUP=		install.py
 PYDISTUTILS_BUILDARGS=		build
diff --git a/x11-toolkits/py-kde/Makefile b/x11-toolkits/py-kde/Makefile
index b562293c6951..f88ca61f706f 100644
--- a/x11-toolkits/py-kde/Makefile
+++ b/x11-toolkits/py-kde/Makefile
@@ -21,7 +21,7 @@ BROKEN=		"Does not compile with KDE >= 3.3.1"
 BUILD_DEPENDS=	pyuic:${PORTSDIR}/x11-toolkits/py-qt
 RUN_DEPENDS=	${BUILD_DEPENDS}
 
-USE_PYTHON=	yes
+USE_PYTHON=	2.3
 USE_KDELIBS_VER=3
 USE_REINPLACE=	yes
 
diff --git a/x11-toolkits/py-qt/Makefile b/x11-toolkits/py-qt/Makefile
index b8d412320286..68dcd7713dc8 100644
--- a/x11-toolkits/py-qt/Makefile
+++ b/x11-toolkits/py-qt/Makefile
@@ -19,7 +19,7 @@ BUILD_DEPENDS=	${LOCALBASE}/bin/sip:${PORTSDIR}/devel/py-sip
 RUN_DEPENDS=	${BUILD_DEPENDS}
 
 USE_QT_VER=	3
-USE_PYTHON=	yes
+USE_PYTHON=	2.3
 USE_REINPLACE=	yes
 
 .include <bsd.port.pre.mk>