diff --git a/testssl.sh b/testssl.sh
index 80636fb..fbff690 100755
--- a/testssl.sh
+++ b/testssl.sh
@@ -5779,13 +5779,13 @@ determine_trust() {
           fi
           debugme printf -- " %-12s" "${certificate_file[i]}"
           # set SSL_CERT_DIR to /dev/null so that $OPENSSL verify will only use certificates in $bundle_fname
-          (export SSL_CERT_DIR="/dev/null; export SSL_CERT_FILE=/dev/null"
+          (export SSL_CERT_DIR="/dev/null"; export SSL_CERT_FILE="/dev/null"
           if [[ $certificates_provided -ge 2 ]]; then
                $OPENSSL verify -purpose sslserver -CAfile "$bundle_fname" -untrusted $TEMPDIR/intermediatecerts.pem $HOSTCERT >$TEMPDIR/${certificate_file[i]}.1 2>$TEMPDIR/${certificate_file[i]}.2
           else
                $OPENSSL verify -purpose sslserver -CAfile "$bundle_fname" $HOSTCERT >$TEMPDIR/${certificate_file[i]}.1 2>$TEMPDIR/${certificate_file[i]}.2
           fi)
-          verify_retcode[i]=$(awk '/error [1-9][0-9]? at [0-9]+ depth lookup:/ { if (!found) {print $2; found=1} }' $TEMPDIR/${certificate_file[i]}.1)
+          verify_retcode[i]=$(awk '/error [1-9][0-9]? at [0-9]+ depth lookup:/ { if (!found) {print $2; found=1} }' $TEMPDIR/${certificate_file[i]}.1 $TEMPDIR/${certificate_file[i]}.2)
           [[ -z "${verify_retcode[i]}" ]] && verify_retcode[i]=0
           if [[ ${verify_retcode[i]} -eq 0 ]]; then
                trust[i]=true