diff --git a/src/Roave/DeveloperTools/Repository/UUIDGenerator/SimplifiedUUIDGenerator.php b/src/Roave/DeveloperTools/Repository/UUIDGenerator/SimplifiedUUIDGenerator.php
index <HASH>..<HASH> 100644
--- a/src/Roave/DeveloperTools/Repository/UUIDGenerator/SimplifiedUUIDGenerator.php
+++ b/src/Roave/DeveloperTools/Repository/UUIDGenerator/SimplifiedUUIDGenerator.php
@@ -38,7 +38,7 @@ class SimplifiedUUIDGenerator implements UUIDGeneratorInterface
             . static::DELIMITER
             . md5(getcwd())
             . static::DELIMITER
-            . uniqid('', true)
+            . str_replace('.', '', uniqid('', true))
             . static::SUFFIX;
     }
 }
The PHP Internal server doesn't like URIs with a `.` in them