diff --git a/crypto/openssh/freebsd-configure.sh b/crypto/openssh/freebsd-configure.sh
index dd336bd7619..0f37eb9c8fa 100755
--- a/crypto/openssh/freebsd-configure.sh
+++ b/crypto/openssh/freebsd-configure.sh
@@ -7,6 +7,7 @@ configure_args="
     --prefix=/usr
     --sysconfdir=/etc/ssh
     --with-pam
+    --with-ssl-dir=/usr
     --with-tcp-wrappers
     --with-libedit
     --with-ssl-engine
@@ -18,11 +19,16 @@ set -e
 # make sure configure uses the correct compiler
 export CC=$(echo ".include <bsd.lib.mk>" | make -f /dev/stdin -VCC)
 export CPP=$(echo ".include <bsd.lib.mk>" | make -f /dev/stdin -VCPP)
+unset CFLAGS CPPFLAGS LDFLAGS LIBS
 
 # regenerate configure and config.h.in
 autoheader
 autoconf
 
+# reset PATH to avoid picking up the wrong libraries
+export PATH=/bin:/sbin:/usr/bin:/usr/sbin
+unset LD_LIBRARY_PATH
+
 # generate config.h with krb5 and stash it
 sh configure $configure_args --with-kerberos5
 mv config.log config.log.orig