diff --git a/src/TemporaryDirectory.php b/src/TemporaryDirectory.php
index 2fb29dd..c65d938 100644
--- a/src/TemporaryDirectory.php
+++ b/src/TemporaryDirectory.php
@@ -163,12 +163,7 @@ class TemporaryDirectory
 
     protected function isFilePath(string $path): bool
     {
-        // Only the last segment can be a filename; a dot in a parent segment would
-        // misclassify a directory.
-        $lastSeparator = strrpos($path, DIRECTORY_SEPARATOR);
-        $lastSegment = $lastSeparator === false ? $path : substr($path, $lastSeparator + 1);
-
-        return str_contains($lastSegment, '.');
+        return str_contains($path, '.');
     }
 
     protected function deleteDirectory(string $path): bool
diff --git a/tests/TemporaryDirectoryTest.php b/tests/TemporaryDirectoryTest.php
index 4ff79fa..88035fb 100644
--- a/tests/TemporaryDirectoryTest.php
+++ b/tests/TemporaryDirectoryTest.php
@@ -173,25 +173,6 @@ class TemporaryDirectoryTest extends TestCase
         $this->assertDirectoryExists("{$this->temporaryDirectoryFullPath}/{$subdirectory}");
     }
 
-    /** @test */
-    public function it_can_create_a_subdirectory_when_the_location_contains_a_dot()
-    {
-        $dottedLocation = rtrim(sys_get_temp_dir(), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR.'my.dotted.location';
-        $this->deleteDirectory($dottedLocation);
-
-        $temporaryDirectory = (new TemporaryDirectory($dottedLocation))
-            ->name($this->temporaryDirectory)
-            ->create();
-
-        $subdirectory = 'abc';
-        $subdirectoryPath = $temporaryDirectory->path($subdirectory);
-
-        $this->assertDirectoryExists($subdirectoryPath);
-
-        $temporaryDirectory->delete();
-        $this->deleteDirectory($dottedLocation);
-    }
-
     /** @test */
     public function it_can_create_a_multiple_subdirectories_in_the_temporary_directory()
     {