diff --git a/php/containers-schema.json b/php/containers-schema.json
index 538593fd..39ed0a51 100644
--- a/php/containers-schema.json
+++ b/php/containers-schema.json
@@ -73,6 +73,9 @@
 					"restart": {
 						"type": "string"
 					},
+					"shm_size": {
+						"type": "integer"
+					},
 					"secrets": {
 						"type": "array",
 						"items": {
diff --git a/php/containers.json b/php/containers.json
index 5c3e02fd..f96be79e 100644
--- a/php/containers.json
+++ b/php/containers.json
@@ -74,7 +74,8 @@
         "PGTZ=%TIMEZONE%"
       ],
       "stop_grace_period": 1800,
-      "restart": "unless-stopped"
+      "restart": "unless-stopped",
+      "shm_size": 268435456
     },
     {
       "container_name": "nextcloud-aio-nextcloud",
diff --git a/php/src/Container/Container.php b/php/src/Container/Container.php
index e30e8674..8d5e8ac5 100644
--- a/php/src/Container/Container.php
+++ b/php/src/Container/Container.php
@@ -25,6 +25,7 @@ class Container {
     private array $devices;
     /** @var string[] */
     private array $capAdd;
+    private string $shmSize;
     private DockerActionManager $dockerActionManager;
 
     public function __construct(
@@ -41,6 +42,7 @@ class Container {
         array $secrets,
         array $devices,
         array $capAdd,
+        string $shmSize,
         DockerActionManager $dockerActionManager
     ) {
         $this->identifier = $identifier;
@@ -56,6 +58,7 @@ class Container {
         $this->secrets = $secrets;
         $this->devices = $devices;
         $this->capAdd = $capAdd;
+        $this->shmSize = $shmSize;
         $this->dockerActionManager = $dockerActionManager;
     }
 
@@ -75,6 +78,10 @@ class Container {
         return $this->restartPolicy;
     }
 
+    public function GetShmSize() : string {
+        return $this->shmSize;
+    }
+
     public function GetMaxShutdownTime() : int {
         return $this->maxShutdownTime;
     }
diff --git a/php/src/ContainerDefinitionFetcher.php b/php/src/ContainerDefinitionFetcher.php
index b903169e..95d87913 100644
--- a/php/src/ContainerDefinitionFetcher.php
+++ b/php/src/ContainerDefinitionFetcher.php
@@ -218,6 +218,11 @@ class ContainerDefinitionFetcher
                 $capAdd = $entry['cap_add'];
             }
 
+            $shmSize = '';
+            if (isset($entry['shm_size'])) {
+                $shmSize = $entry['shm_size'];
+            }
+
             $containers[] = new Container(
                 $entry['container_name'],
                 $displayName,
@@ -232,6 +237,7 @@ class ContainerDefinitionFetcher
                 $secrets,
                 $devices,
                 $capAdd,
+                $shmSize,
                 $this->container->get(DockerActionManager::class)
             );
         }
diff --git a/php/src/Docker/DockerActionManager.php b/php/src/Docker/DockerActionManager.php
index 3e5f7def..c6f3163c 100644
--- a/php/src/Docker/DockerActionManager.php
+++ b/php/src/Docker/DockerActionManager.php
@@ -411,6 +411,11 @@ class DockerActionManager
             $requestBody['HostConfig']['Devices'] = $devices;
         }
 
+        $shmSize = $container->GetShmSize();
+        if ($shmSize !== '') {
+            $requestBody['HostConfig']['ShmSize'] = $shmSize;
+        }
+
         $capAdds = $container->GetCapAdds();
         if (count($capAdds) > 0) {
             $requestBody['HostConfig']['CapAdd'] = $capAdds;