diff --git a/science/wxmacmolplt/Makefile b/science/wxmacmolplt/Makefile
index 66c0558b2d72..af5795b264f4 100644
--- a/science/wxmacmolplt/Makefile
+++ b/science/wxmacmolplt/Makefile
@@ -3,6 +3,7 @@
 PORTNAME=	wxmacmolplt
 DISTVERSIONPREFIX=	v
 DISTVERSION=	7.7-43
+PORTREVISION=	1
 DISTVERSIONSUFFIX=	-g9a46f7a
 CATEGORIES=	science
 
@@ -17,7 +18,7 @@ USE_GITHUB=	yes
 GH_ACCOUNT=	brettbode
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--with-wx-config=${WX_CONFIG}
-USE_WX=		3.1
+USE_WX=		3.0 # configure crashes with 3.1: checking for wxWidgets libraries... Segmentation fault (core dumped)
 USE_GL=		gl glew glu
 
 .include <bsd.port.mk>