diff --git a/CHANGELOG.md b/CHANGELOG.md
index 47d810a74..e4801b87b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@
 - Enh #786: Refactor `AbstractSchema::getDataType()` (@Tigrov)
 - Enh #784: Specify result type of `ConstraintSchemaInterface::getTableIndexes()` method to `IndexConstraint[]` (@vjik)
 - Enh #784: Remove unused code in `AbstractSchema::getTableIndexes()` (@vjik)
+- Bug #788: Fix casting integer to string in `AbstractCommand::getRawSql()` (@Tigrov)
 
 ## 1.2.0 November 12, 2023
 
diff --git a/src/Command/AbstractCommand.php b/src/Command/AbstractCommand.php
index dae234e46..10ba47fb6 100644
--- a/src/Command/AbstractCommand.php
+++ b/src/Command/AbstractCommand.php
@@ -351,7 +351,7 @@ public function getRawSql(): string
             $value = $param->getValue();
 
             $params[$name] = match ($param->getType()) {
-                DataType::INTEGER => (string)$value,
+                DataType::INTEGER => (string)(int)$value,
                 DataType::STRING, DataType::LOB => match (true) {
                     $value instanceof Expression => (string)$value,
                     is_resource($value) => $name,
diff --git a/tests/Provider/CommandProvider.php b/tests/Provider/CommandProvider.php
index 96156b8ae..4b1254c9c 100644
--- a/tests/Provider/CommandProvider.php
+++ b/tests/Provider/CommandProvider.php
@@ -4,6 +4,8 @@
 
 namespace Yiisoft\Db\Tests\Provider;
 
+use Yiisoft\Db\Command\DataType;
+use Yiisoft\Db\Command\Param;
 use Yiisoft\Db\Expression\Expression;
 use Yiisoft\Db\Query\Query;
 use Yiisoft\Db\Schema\SchemaInterface;
@@ -553,6 +555,18 @@ public static function rawSql(): array
                     static::$driverName,
                 ),
             ],
+            [
+                <<<SQL
+                SELECT * FROM [[customer]] WHERE [[id]] = :id
+                SQL,
+                ['id' => new Param('1 OR 1=1', DataType::INTEGER)],
+                DbHelper::replaceQuotes(
+                    <<<SQL
+                    SELECT * FROM [[customer]] WHERE [[id]] = 1
+                    SQL,
+                    static::$driverName,
+                ),
+            ],
             [
                 <<<SQL
                 SELECT * FROM [[customer]] WHERE [[id]] = :id