diff --git a/math/bsdnt/Makefile b/math/bsdnt/Makefile
index 5f342f16a320..886670420d7b 100644
--- a/math/bsdnt/Makefile
+++ b/math/bsdnt/Makefile
@@ -12,19 +12,16 @@ LICENSE=	BSD3CLAUSE
 
 BUILD_DEPENDS=	bash:${PORTSDIR}/shells/bash
 
-USES=		gmake
+USES=		gmake shebangfix
+SHEBANG_FILES=	configure
 USE_GITHUB=	yes
 GH_ACCOUNT=	wbhart
 GH_PROJECT=	${PORTNAME}
 GH_TAGNAME=	72e20a7
+GH_COMMIT=	72e20a7
 
 USE_LDCONFIG=	yes
 
-WRKSRC=		${WRKDIR}/wbhart-${PORTNAME}-${GH_TAGNAME}
-
-pre-configure:
-	@${REINPLACE_CMD} -e "s,#!/bin/bash,#!${LOCALBASE}/bin/bash," ${WRKSRC}/configure
-
 do-configure:
 	@cd ${WRKSRC}; ${SETENV} ${MAKE_ENV} ./configure --prefix=${STAGEDIR}${PREFIX} CC=cc CXX=c++ AS=cc