diff --git a/tests/postgis.php b/tests/postgis.php
index 1804da24..c2318588 100644
--- a/tests/postgis.php
+++ b/tests/postgis.php
@@ -24,7 +24,7 @@ function run_test() {
   // Working with PostGIS and EWKB
   // ----------------------------
   
-  foreach (scandir('./input', SCANDIR_SORT_NONE) as $file) {
+  foreach (scandir('./input') as $file) {
     $parts = explode('.',$file);
     if ($parts[0]) {
       $name = $parts[0];
diff --git a/tests/test.php b/tests/test.php
index ae112bd6..9f4fe91c 100644
--- a/tests/test.php
+++ b/tests/test.php
@@ -24,7 +24,7 @@ function run_test() {
     print "GEOS is not installed.\n";
   }
 
-  foreach (scandir('./input', SCANDIR_SORT_NONE) as $file) {
+  foreach (scandir('./input') as $file) {
     $parts = explode('.',$file);
     if ($parts[0]) {
       $format = $parts[1];
diff --git a/tests/tests/adaptersTest.php b/tests/tests/adaptersTest.php
index 5952e10f..69d0a603 100644
--- a/tests/tests/adaptersTest.php
+++ b/tests/tests/adaptersTest.php
@@ -7,7 +7,7 @@ function setUp() {
   }
 
   function testAdapters() {
-    foreach (scandir('./input', SCANDIR_SORT_NONE) as $file) {
+    foreach (scandir('./input') as $file) {
       $parts = explode('.',$file);
       if ($parts[0]) {
         $format = $parts[1];
diff --git a/tests/tests/geosTest.php b/tests/tests/geosTest.php
index e45e212f..9233b377 100644
--- a/tests/tests/geosTest.php
+++ b/tests/tests/geosTest.php
@@ -11,7 +11,7 @@ function testGeos() {
       echo "Skipping GEOS -- not installed";
       return;
     }
-    foreach (scandir('./input', SCANDIR_SORT_NONE) as $file) {
+    foreach (scandir('./input') as $file) {
       $parts = explode('.',$file);
       if ($parts[0]) {
         $format = $parts[1];
diff --git a/tests/tests/methodsTest.php b/tests/tests/methodsTest.php
index 3129ff3a..a946b4a7 100644
--- a/tests/tests/methodsTest.php
+++ b/tests/tests/methodsTest.php
@@ -7,7 +7,7 @@ function setUp() {
   }
 
   function testMethods() {
-    foreach (scandir('./input', SCANDIR_SORT_NONE) as $file) {
+    foreach (scandir('./input') as $file) {
       $parts = explode('.',$file);
       if ($parts[0]) {
         $format = $parts[1];
diff --git a/tests/tests/placeholdersTest.php b/tests/tests/placeholdersTest.php
index 8f50f4dd..90b1c3f1 100644
--- a/tests/tests/placeholdersTest.php
+++ b/tests/tests/placeholdersTest.php
@@ -7,7 +7,7 @@ function setUp() {
   }
 
   function testPlaceholders() {
-    foreach (scandir('./input', SCANDIR_SORT_NONE) as $file) {
+    foreach (scandir('./input') as $file) {
       $parts = explode('.',$file);
       if ($parts[0]) {
         $format = $parts[1];