diff --git a/math/py-matplotlib/Makefile b/math/py-matplotlib/Makefile
index 8d3df680d647..a59a83dfb221 100644
--- a/math/py-matplotlib/Makefile
+++ b/math/py-matplotlib/Makefile
@@ -17,7 +17,7 @@ BUILD_DEPENDS=	${PYNUMPY}
 LIB_DEPENDS=	libfreetype.so:${PORTSDIR}/print/freetype2 \
 		libpng15.so:${PORTSDIR}/graphics/png
 RUN_DEPENDS=	${PYNUMPY} \
-		{PYTHON_PKGNAMEPREFIX}dateutil>=1.4:${PORTSDIR}/devel/py-dateutil \
+		${PYTHON_PKGNAMEPREFIX}dateutil>=1.4:${PORTSDIR}/devel/py-dateutil \
 		${PYTHON_PKGNAMEPREFIX}pytz>=0:${PORTSDIR}/devel/py-pytz \
 		${PYTHON_PKGNAMEPREFIX}parsing>=0:${PORTSDIR}/devel/py-parsing