Index: misc/box2d/Makefile
===================================================================
--- misc/box2d/Makefile	(revision 542194)
+++ misc/box2d/Makefile	(working copy)
@@ -1,6 +1,6 @@
 # $FreeBSD$
 
-PORTNAME=	Box2D
+PORTNAME=	box2d
 DISTVERSIONPREFIX=	v
 DISTVERSION=	2.3.1
 CATEGORIES=	misc
@@ -16,7 +16,7 @@
 GH_ACCOUNT=	erincatto
 USE_LDCONFIG=	yes
 
-WRKSRC_SUBDIR=	${PORTNAME}
+WRKSRC_SUBDIR=	Box2D
 
 CMAKE_ON=	BOX2D_INSTALL BOX2D_BUILD_SHARED
 CMAKE_OFF=	BOX2D_BUILD_STATIC BOX2D_BUILD_EXAMPLES
Index: misc/box2d/distinfo
===================================================================
--- misc/box2d/distinfo	(revision 542194)
+++ misc/box2d/distinfo	(working copy)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1550549351
-SHA256 (erincatto-Box2D-v2.3.1_GH0.tar.gz) = 75d62738b13d2836cd56647581b6e574d4005a6e077ddefa5d727d445d649752
-SIZE (erincatto-Box2D-v2.3.1_GH0.tar.gz) = 1553222
+TIMESTAMP = 1594710230
+SHA256 (erincatto-box2d-v2.3.1_GH0.tar.gz) = 58ffc8475a8650aadc351345aef696937747b40501ab78d72c197c5ff5b3035c
+SIZE (erincatto-box2d-v2.3.1_GH0.tar.gz) = 1553252