diff --git a/test/scripts/human_to_size_test.sh b/test/scripts/human_to_size_test.sh
index 678fa876..63061372 100755
--- a/test/scripts/human_to_size_test.sh
+++ b/test/scripts/human_to_size_test.sh
@@ -3,11 +3,12 @@
 declare -i testcount=0 fail=0 pass=0 total=15
 
 # source the library function
-if [[ -z $1 || ! -f $1 ]]; then
-  printf "Bail out! path to human_to_size library not provided or does not exist\n"
+lib=${1:-${PMTEST_SCRIPTLIB_DIR}human_to_size.sh}
+if [[ -z $lib || ! -f $lib ]]; then
+  echo "Bail out! human_to_size library  ($lib) could not be located\n"
   exit 1
 fi
-. "$1"
+. "$lib"
 
 if ! type -t human_to_size >/dev/null; then
   printf 'Bail out! human_to_size function not found\n'
diff --git a/test/scripts/parseopts_test.sh b/test/scripts/parseopts_test.sh
index 8df1908b..5ff4bc55 100755
--- a/test/scripts/parseopts_test.sh
+++ b/test/scripts/parseopts_test.sh
@@ -3,11 +3,12 @@
 declare -i testcount=0 pass=0 fail=0 total=25
 
 # source the library function
-if [[ -z $1 || ! -f $1 ]]; then
-  printf "Bail out! path to parseopts library not provided or does not exist\n"
+lib=${1:-${PMTEST_SCRIPTLIB_DIR}parseopts.sh}
+if [[ -z $lib || ! -f $lib ]]; then
+  printf "Bail out! parseopts library ($lib) could not be located\n"
   exit 1
 fi
-. "$1"
+. "$lib"
 
 if ! type -t parseopts >/dev/null; then
   printf 'Bail out! parseopts function not found\n'
diff --git a/test/util/pacsorttest.sh b/test/util/pacsorttest.sh
index 0abddc26..ac16c459 100755
--- a/test/util/pacsorttest.sh
+++ b/test/util/pacsorttest.sh
@@ -19,12 +19,17 @@
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # default binary if one was not specified as $1
-bin='pacsort'
+bin=${1:-${PMTEST_UTIL_DIR}pacsort}
 # holds counts of tests
 total=23
 run=0
 failure=0
 
+if ! type -p "$bin"; then
+	echo "Bail out! pacsort binary ($bin) could not be located"
+	exit 1
+fi
+
 # args:
 # runtest input expected test_description optional_opts
 runtest() {
@@ -42,14 +47,6 @@ runtest() {
 	fi
 }
 
-# use first arg as our binary if specified
-[[ -n "$1" ]] && bin="$1"
-
-if ! type -p "$bin"; then
-	echo "Bail out! pacsort binary ($bin) could not be located"
-	exit 1
-fi
-
 echo "Running pacsort tests..."
 
 echo "1..$total"
diff --git a/test/util/vercmptest.sh b/test/util/vercmptest.sh
index 9297cdcb..a7fd8517 100755
--- a/test/util/vercmptest.sh
+++ b/test/util/vercmptest.sh
@@ -18,12 +18,18 @@
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # default binary if one was not specified as $1
-bin='vercmp'
+bin=${1:-${PMTEST_UTIL_DIR}vercmp}
 # holds counts of tests
 total=92
 run=0
 failure=0
 
+# use first arg as our binary if specified
+if ! type -p "$bin"; then
+	echo "Bail out! vercmp binary ($bin) could not be located"
+	exit 1
+fi
+
 # args:
 # pass ver1 ver2 ret expected
 pass() {
@@ -57,14 +63,6 @@ runtest() {
 	$func $2 $1 $ret $reverse
 }
 
-# use first arg as our binary if specified
-[[ -n "$1" ]] && bin="$1"
-
-if ! type -p "$bin"; then
-	echo "Bail out! vercmp binary ($bin) could not be located"
-	exit 1
-fi
-
 echo "# Running vercmp tests..."
 
 echo "1..$total"