diff --git a/0001-correct-parameter-parsing-in-test-driver-script.patch b/0001-correct-parameter-parsing-in-test-driver-script.patch
index 880fd28..a939c69 100644
--- a/0001-correct-parameter-parsing-in-test-driver-script.patch
+++ b/0001-correct-parameter-parsing-in-test-driver-script.patch
@@ -23,7 +23,7 @@ index 8e575b0..69b47f8 100755
 +while test $# -gt 1; do
 + arg=${1%=*}
 + val=${1#*=}
-+ if [ $arg == $val ]; then
++ if [ $arg = $val ]; then
 +   val=$2
 +   shift
 + fi
@@ -48,7 +48,7 @@ index 8e575b0..69b47f8 100755
 -   *) break;;
    esac
 -  shift
-+  [[ $arg != $val ]] && shift
++  [ $arg != $val ] && shift
  done
  
  missing_opts=
diff --git a/automake-testsuite.changes b/automake-testsuite.changes
index f6b82e5..ededda1 100644
--- a/automake-testsuite.changes
+++ b/automake-testsuite.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Sun Feb  4 23:06:25 UTC 2018 - mail@bernhard-voelker.de
+
+- Avoid bashisms in test-driver:
+  * 0001-correct-parameter-parsing-in-test-driver-script.patch
+  Use test's = operator instead of ==; use '[' instead of '[['.
+  This avoids 'make check' failures of distribution tarballs (built on
+  openSUSE) on platforms not supporting bashisms, e.g. NetBSD-7.1.
+
 -------------------------------------------------------------------
 Fri Oct 20 18:16:24 UTC 2017 - jayvdb@gmail.com
 
diff --git a/automake-testsuite.spec b/automake-testsuite.spec
index b8d882f..22392d9 100644
--- a/automake-testsuite.spec
+++ b/automake-testsuite.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package automake-testsuite
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
diff --git a/automake.changes b/automake.changes
index f6b82e5..ededda1 100644
--- a/automake.changes
+++ b/automake.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Sun Feb  4 23:06:25 UTC 2018 - mail@bernhard-voelker.de
+
+- Avoid bashisms in test-driver:
+  * 0001-correct-parameter-parsing-in-test-driver-script.patch
+  Use test's = operator instead of ==; use '[' instead of '[['.
+  This avoids 'make check' failures of distribution tarballs (built on
+  openSUSE) on platforms not supporting bashisms, e.g. NetBSD-7.1.
+
 -------------------------------------------------------------------
 Fri Oct 20 18:16:24 UTC 2017 - jayvdb@gmail.com
 
diff --git a/automake.spec b/automake.spec
index c76a1f4..ba01639 100644
--- a/automake.spec
+++ b/automake.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package automake
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed