diff --git a/ext/standard/tests/file/tempnam_variation4-0.phpt b/ext/standard/tests/file/tempnam_variation4-0.phpt
index 646179beca6..cbd09a5025c 100644
--- a/ext/standard/tests/file/tempnam_variation4-0.phpt
+++ b/ext/standard/tests/file/tempnam_variation4-0.phpt
@@ -20,7 +20,7 @@ require __DIR__ . '/../skipif_root.inc';
 
 echo "*** Testing tempnam() with dir of permissions from 0000 to 0350 ***\n";
 $file_path = __DIR__;
-$dir_name = $file_path."/tempnam_variation4";
+$dir_name = $file_path."/tempnam_variation4-0";
 $prefix = "tempnamVar4.";
 
 mkdir($dir_name);
diff --git a/ext/standard/tests/file/tempnam_variation4-1.phpt b/ext/standard/tests/file/tempnam_variation4-1.phpt
index b614404c94d..46807125c6c 100644
--- a/ext/standard/tests/file/tempnam_variation4-1.phpt
+++ b/ext/standard/tests/file/tempnam_variation4-1.phpt
@@ -20,7 +20,7 @@ require __DIR__ . '/../skipif_root.inc';
 
 echo "*** Testing tempnam() with dir of permissions from 0351 to 0777 ***\n";
 $file_path = __DIR__;
-$dir_name = $file_path."/tempnam_variation4";
+$dir_name = $file_path."/tempnam_variation4-1";
 $prefix = "tempnamVar4.";
 
 mkdir($dir_name);