diff --git a/CacheWarmer/HydratorCacheWarmer.php b/CacheWarmer/HydratorCacheWarmer.php
index 603cff34..17fea048 100644
--- a/CacheWarmer/HydratorCacheWarmer.php
+++ b/CacheWarmer/HydratorCacheWarmer.php
@@ -14,6 +14,7 @@
 use function assert;
 use function dirname;
 use function file_exists;
+use function is_dir;
 use function is_writable;
 use function mkdir;
 use function sprintf;
@@ -58,7 +59,7 @@ public function warmUp($cacheDir)
         // we need the directory no matter the hydrator cache generation strategy.
         $hydratorCacheDir = (string) $this->container->getParameter('doctrine_mongodb.odm.hydrator_dir');
         if (! file_exists($hydratorCacheDir)) {
-            if (@mkdir($hydratorCacheDir, 0775, true) === false) {
+            if (@mkdir($hydratorCacheDir, 0775, true) === false && ! is_dir($hydratorCacheDir)) {
                 throw new RuntimeException(sprintf('Unable to create the Doctrine Hydrator directory (%s)', dirname($hydratorCacheDir)));
             }
         } elseif (! is_writable($hydratorCacheDir)) {
diff --git a/CacheWarmer/PersistentCollectionCacheWarmer.php b/CacheWarmer/PersistentCollectionCacheWarmer.php
index 2abafe24..b39c7371 100644
--- a/CacheWarmer/PersistentCollectionCacheWarmer.php
+++ b/CacheWarmer/PersistentCollectionCacheWarmer.php
@@ -16,6 +16,7 @@
 use function dirname;
 use function file_exists;
 use function in_array;
+use function is_dir;
 use function is_writable;
 use function mkdir;
 use function sprintf;
@@ -60,7 +61,7 @@ public function warmUp($cacheDir)
         // we need the directory no matter the hydrator cache generation strategy.
         $collCacheDir = (string) $this->container->getParameter('doctrine_mongodb.odm.persistent_collection_dir');
         if (! file_exists($collCacheDir)) {
-            if (@mkdir($collCacheDir, 0775, true) === false) {
+            if (@mkdir($collCacheDir, 0775, true) === false && ! is_dir($collCacheDir)) {
                 throw new RuntimeException(sprintf('Unable to create the Doctrine persistent collection directory (%s)', dirname($collCacheDir)));
             }
         } elseif (! is_writable($collCacheDir)) {
diff --git a/CacheWarmer/ProxyCacheWarmer.php b/CacheWarmer/ProxyCacheWarmer.php
index 12d24531..959f007b 100644
--- a/CacheWarmer/ProxyCacheWarmer.php
+++ b/CacheWarmer/ProxyCacheWarmer.php
@@ -16,6 +16,7 @@
 use function assert;
 use function dirname;
 use function file_exists;
+use function is_dir;
 use function is_writable;
 use function mkdir;
 use function sprintf;
@@ -60,7 +61,7 @@ public function warmUp($cacheDir)
         // we need the directory no matter the proxy cache generation strategy.
         $proxyCacheDir = (string) $this->container->getParameter('doctrine_mongodb.odm.proxy_dir');
         if (! file_exists($proxyCacheDir)) {
-            if (@mkdir($proxyCacheDir, 0775, true) === false) {
+            if (@mkdir($proxyCacheDir, 0775, true) === false && ! is_dir($proxyCacheDir)) {
                 throw new RuntimeException(sprintf('Unable to create the Doctrine Proxy directory (%s)', dirname($proxyCacheDir)));
             }
         } elseif (! is_writable($proxyCacheDir)) {
diff --git a/DependencyInjection/Compiler/CreateHydratorDirectoryPass.php b/DependencyInjection/Compiler/CreateHydratorDirectoryPass.php
index 7f0fd118..60700405 100644
--- a/DependencyInjection/Compiler/CreateHydratorDirectoryPass.php
+++ b/DependencyInjection/Compiler/CreateHydratorDirectoryPass.php
@@ -30,7 +30,7 @@ public function process(ContainerBuilder $container)
         // Create document proxy directory
         $hydratorCacheDir = (string) $container->getParameter('doctrine_mongodb.odm.hydrator_dir');
         if (! is_dir($hydratorCacheDir)) {
-            if (@mkdir($hydratorCacheDir, 0775, true) === false) {
+            if (@mkdir($hydratorCacheDir, 0775, true) === false && ! is_dir($hydratorCacheDir)) {
                 throw new RuntimeException(
                     sprintf('Unable to create the Doctrine Hydrator directory (%s)', dirname($hydratorCacheDir))
                 );
diff --git a/DependencyInjection/Compiler/CreateProxyDirectoryPass.php b/DependencyInjection/Compiler/CreateProxyDirectoryPass.php
index ef7c912c..6c43ac01 100644
--- a/DependencyInjection/Compiler/CreateProxyDirectoryPass.php
+++ b/DependencyInjection/Compiler/CreateProxyDirectoryPass.php
@@ -30,7 +30,7 @@ public function process(ContainerBuilder $container)
         // Create document proxy directory
         $proxyCacheDir = (string) $container->getParameter('doctrine_mongodb.odm.proxy_dir');
         if (! is_dir($proxyCacheDir)) {
-            if (@mkdir($proxyCacheDir, 0775, true) === false) {
+            if (@mkdir($proxyCacheDir, 0775, true) === false && ! is_dir($proxyCacheDir)) {
                 throw new RuntimeException(
                     sprintf('Unable to create the Doctrine Proxy directory (%s)', dirname($proxyCacheDir))
                 );