diff --git a/DataStorage/Cache/Connection/MemCached.php b/DataStorage/Cache/Connection/MemCached.php
index ae6c20950..ab8dafb82 100644
--- a/DataStorage/Cache/Connection/MemCached.php
+++ b/DataStorage/Cache/Connection/MemCached.php
@@ -80,7 +80,7 @@ class MemCached extends ConnectionAbstract
             return;
         }
 
-        if (!(\is_scalar($value) || $value === null || $value instanceof \JsonSerializable || $value instanceof \Serializable)) {
+        if (!(\is_scalar($value) || $value === null || \is_array($value) || $value instanceof \JsonSerializable || $value instanceof \Serializable)) {
             throw new \InvalidArgumentException();
         }
 
@@ -96,7 +96,7 @@ class MemCached extends ConnectionAbstract
             return false;
         }
 
-        if (!(\is_scalar($value) || $value === null || $value instanceof \JsonSerializable || $value instanceof \Serializable)) {
+        if (!(\is_scalar($value) || $value === null || \is_array($value) || $value instanceof \JsonSerializable || $value instanceof \Serializable)) {
             throw new \InvalidArgumentException();
         }
 
diff --git a/DataStorage/Cache/Connection/RedisCache.php b/DataStorage/Cache/Connection/RedisCache.php
index daa6d47ea..78ec45ba6 100644
--- a/DataStorage/Cache/Connection/RedisCache.php
+++ b/DataStorage/Cache/Connection/RedisCache.php
@@ -95,7 +95,7 @@ class RedisCache extends ConnectionAbstract
             return;
         }
 
-        if (!(\is_scalar($value) || $value === null || $value instanceof \JsonSerializable || $value instanceof \Serializable)) {
+        if (!(\is_scalar($value) || $value === null || \is_array($value) || $value instanceof \JsonSerializable || $value instanceof \Serializable)) {
             throw new \InvalidArgumentException();
         }
 
@@ -115,7 +115,7 @@ class RedisCache extends ConnectionAbstract
             return false;
         }
 
-        if (!(\is_scalar($value) || $value === null || $value instanceof \JsonSerializable || $value instanceof \Serializable)) {
+        if (!(\is_scalar($value) || $value === null || \is_array($value) || $value instanceof \JsonSerializable || $value instanceof \Serializable)) {
             throw new \InvalidArgumentException();
         }