diff --git a/src/Symfony/Component/HttpKernel/Profiler/FileProfilerStorage.php b/src/Symfony/Component/HttpKernel/Profiler/FileProfilerStorage.php
index 5797bdc415..c6c23289ab 100644
--- a/src/Symfony/Component/HttpKernel/Profiler/FileProfilerStorage.php
+++ b/src/Symfony/Component/HttpKernel/Profiler/FileProfilerStorage.php
@@ -119,6 +119,10 @@ class FileProfilerStorage implements ProfilerStorageInterface
             return null;
         }
 
+        if (\function_exists('gzcompress')) {
+            $file = 'compress.zlib://'.$file;
+        }
+
         return $this->createProfileFromData($token, unserialize(file_get_contents($file)));
     }
 
@@ -161,7 +165,14 @@ class FileProfilerStorage implements ProfilerStorageInterface
             'status_code' => $profile->getStatusCode(),
         ];
 
-        if (false === file_put_contents($file, serialize($data))) {
+        $context = stream_context_create();
+
+        if (\function_exists('gzcompress')) {
+            $file = 'compress.zlib://'.$file;
+            stream_context_set_option($context, 'zlib', 'level', 3);
+        }
+
+        if (false === file_put_contents($file, serialize($data), 0, $context)) {
             return false;
         }
 
@@ -282,6 +293,10 @@ class FileProfilerStorage implements ProfilerStorageInterface
                 continue;
             }
 
+            if (\function_exists('gzcompress')) {
+                $file = 'compress.zlib://'.$file;
+            }
+
             $profile->addChild($this->createProfileFromData($token, unserialize(file_get_contents($file)), $profile));
         }