diff --git a/Mk/Uses/fortran.mk b/Mk/Uses/fortran.mk
index 4bf4d38d0799..4bd092113ff8 100644
--- a/Mk/Uses/fortran.mk
+++ b/Mk/Uses/fortran.mk
@@ -1,34 +1,35 @@
 # Fortran support
 #
 # Feature:	fortran
 # Usage:	USES=fortran
 # Valid ARGS:	gfortran
 #
 # MAINTAINER:	fortran@FreeBSD.org
 
 .if !defined(_INCLUDE_USES_FORTRAN_MK)
 _INCLUDE_USES_FORTRAN_MK=	yes
 
 .  if empty(fortran_ARGS)
 fortran_ARGS=	${FORTRAN_DEFAULT}
 .  endif
 
 .  if ${fortran_ARGS} == gfortran
 _GCC_VER=	${GCC_DEFAULT:S/.//}
 BUILD_DEPENDS+=	gfortran${_GCC_VER}:lang/gcc${_GCC_VER}
 RUN_DEPENDS+=	gfortran${_GCC_VER}:lang/gcc${_GCC_VER}
 F77=		gfortran${_GCC_VER}
+F90=		gfortran${_GCC_VER}
 FC=		gfortran${_GCC_VER}
 FFLAGS+=	-Wl,-rpath=${LOCALBASE}/lib/gcc${_GCC_VER}
 FCFLAGS+=	-Wl,-rpath=${LOCALBASE}/lib/gcc${_GCC_VER}
 LDFLAGS+=	-Wl,-rpath=${LOCALBASE}/lib/gcc${_GCC_VER} \
 		-L${LOCALBASE}/lib/gcc${_GCC_VER} -B${LOCALBASE}/bin
 .  else
 IGNORE=		USES=fortran: invalid arguments: ${fortran_ARGS}
 .  endif
 
 USE_BINUTILS=	yes
-CONFIGURE_ENV+=	F77="${F77}" FC="${FC}" FFLAGS="${FFLAGS}" FCFLAGS="${FCFLAGS}"
-MAKE_ENV+=	F77="${F77}" FC="${FC}" FFLAGS="${FFLAGS}" FCFLAGS="${FCFLAGS}"
+CONFIGURE_ENV+=	F77="${F77}" F90="${F90}" FC="${FC}" FFLAGS="${FFLAGS}" FCFLAGS="${FCFLAGS}"
+MAKE_ENV+=	F77="${F77}" F90="${F90}" FC="${FC}" FFLAGS="${FFLAGS}" FCFLAGS="${FCFLAGS}"
 
 .endif