diff --git a/src/MigrationCore.php b/src/MigrationCore.php
index d346ba0..7d12bfe 100644
--- a/src/MigrationCore.php
+++ b/src/MigrationCore.php
@@ -119,6 +119,10 @@ private function executeQueryFile(string $filename): void
                 $start = 0;
                 $end = 0;
             } else {
+                $line = trim((string)preg_replace('/--.*/', '', $line));
+                if ($line === '') {
+                    continue;
+                }
                 $start = $start > 0 ? $start : $index;
                 $end = $index;
                 $current_request .= $current_request !== '' ? PHP_EOL : '';
diff --git a/test/MigrationCoreSecurityTest.php b/test/MigrationCoreSecurityTest.php
index fcef32d..117e097 100644
--- a/test/MigrationCoreSecurityTest.php
+++ b/test/MigrationCoreSecurityTest.php
@@ -143,4 +143,41 @@ public function testUntamperedMigrationDoesNotRaiseException(): void
         $this->runSilent($core);
         $this->addToAssertionCount(1);
     }
+
+    // -------------------------------------------------------------------------
+    // Nettoyage des commentaires SQL
+    // -------------------------------------------------------------------------
+
+    public function testSqlLineCommentIsStripped(): void
+    {
+        $sql = "CREATE TABLE comment_test (id INTEGER PRIMARY KEY) -- cette table est un test";
+        $this->createSqlFile($sql);
+        $core = $this->makeCoreWithDb();
+        $this->runSilent($core);
+        $this->addToAssertionCount(1);
+    }
+
+    public function testFullyCommentedOutQueryIsIgnored(): void
+    {
+        $sql = "CREATE TABLE comment_only_test (id INTEGER PRIMARY KEY)\n---\n-- DROP TABLE comment_only_test";
+        $this->createSqlFile($sql);
+        $core = $this->makeCoreWithDb();
+        $this->runSilent($core);
+        $this->addToAssertionCount(1);
+    }
+
+    public function testMixedCommentAndRealSqlExecutesCorrectly(): void
+    {
+        $sql = implode("\n", [
+            '-- création de la table',
+            'CREATE TABLE mixed_comment_test (id INTEGER PRIMARY KEY)',
+            '---',
+            '-- requête mise en commentaire',
+            '-- DROP TABLE mixed_comment_test',
+        ]);
+        $this->createSqlFile($sql);
+        $core = $this->makeCoreWithDb();
+        $this->runSilent($core);
+        $this->addToAssertionCount(1);
+    }
 }