diff --git a/src/Filters/Filter.php b/src/Filters/Filter.php
index fa7360f0cd..5bed499b25 100644
--- a/src/Filters/Filter.php
+++ b/src/Filters/Filter.php
@@ -218,7 +218,7 @@ protected function shouldIgnorePath($path)
                     // Need to check this pattern for dirs as well as individual file paths.
                     $this->ignoreFilePatterns[$pattern] = $type;
 
-                    $pattern = substr($pattern, 0, -2);
+                    $pattern = substr($pattern, 0, -2).'(?=/|$)';
                     $this->ignoreDirPatterns[$pattern] = $type;
                 } else {
                     // This is a file-specific pattern, so only need to check this
diff --git a/tests/Core/Filters/Filter/AcceptTest.php b/tests/Core/Filters/Filter/AcceptTest.php
index 5d928c38b8..2c9f57cd39 100644
--- a/tests/Core/Filters/Filter/AcceptTest.php
+++ b/tests/Core/Filters/Filter/AcceptTest.php
@@ -111,9 +111,13 @@ public function dataExcludePatterns()
                     '/path/to/src/Main.php',
                     '/path/to/src/Something/Main.php',
                     '/path/to/src/Somethingelse/Main.php',
+                    '/path/to/src/SomethingelseEvenLonger/Main.php',
                     '/path/to/src/Other/Main.php',
                 ],
-                ['/path/to/src/Main.php'],
+                [
+                    '/path/to/src/Main.php',
+                    '/path/to/src/SomethingelseEvenLonger/Main.php',
+                ],
             ],
 
             // Test ignoring standard/sniff specific exclude patterns.