diff --git a/src/Storages/PostgreSQL/StorageMaterializedPostgreSQL.cpp b/src/Storages/PostgreSQL/StorageMaterializedPostgreSQL.cpp
index 70251a940cc..befabe42e32 100644
--- a/src/Storages/PostgreSQL/StorageMaterializedPostgreSQL.cpp
+++ b/src/Storages/PostgreSQL/StorageMaterializedPostgreSQL.cpp
@@ -326,6 +326,15 @@ ASTPtr StorageMaterializedPostgreSQL::getColumnDeclaration(const DataTypePtr & d
         if (which.isDecimal256())
             return make_decimal_expression("Decimal256");
     }
+    
+    if (which.isDateTime64()){
+        auto ast_expression = std::make_shared<ASTFunction>();
+
+        ast_expression->name = "DateTime64";
+        ast_expression->arguments = std::make_shared<ASTExpressionList>();
+        ast_expression->arguments->children.emplace_back(std::make_shared<ASTLiteral>(UInt32(6)));
+        return ast_expression;
+    }
 
     return std::make_shared<ASTIdentifier>(data_type->getName());
 }
diff --git a/src/Storages/StoragePostgreSQL.cpp b/src/Storages/StoragePostgreSQL.cpp
index faed14f941a..1f28f4f19f9 100644
--- a/src/Storages/StoragePostgreSQL.cpp
+++ b/src/Storages/StoragePostgreSQL.cpp
@@ -236,7 +236,7 @@ public:
         else if (which.isDateTime())                     nested_column = ColumnUInt32::create();
         else if (which.isDateTime64())
         {
-            nested_column = ColumnDecimal<Decimal64>::create(0, 6);
+            nested_column = ColumnDecimal<DateTime64>::create(0, 6);
         }
         else if (which.isDecimal32())
         {