diff --git a/setup/backup.class.inc.php b/setup/backup.class.inc.php
index 64d4ff1c0..d6cc51e96 100644
--- a/setup/backup.class.inc.php
+++ b/setup/backup.class.inc.php
@@ -255,7 +255,7 @@ class DBBackup
 		return $aRet;
 	}
 
-	protected static function EscapeShellArg($sValue)
+	public static function EscapeShellArg($sValue)
 	{
 		// Note: See comment from the 23-Apr-2004 03:30 in the PHP documentation
 		//    It suggests to rely on pctnl_* function instead of using escapeshellargs
diff --git a/test/setup/DBBackupTest.php b/test/setup/DBBackupTest.php
index 176f02e5d..99452f888 100644
--- a/test/setup/DBBackupTest.php
+++ b/test/setup/DBBackupTest.php
@@ -51,6 +51,6 @@ class DBBackupTest extends ItopTestCase
 		$oConfigToTest->Set('db_tls.ca', $sTestCa);
 		$sCliArgsCapathCfg = DBBackup::GetMysqlCliTlsOptions($oConfigToTest);
 		$this->assertStringStartsWith(' --ssl', $sCliArgsMinCfg);
-		$this->assertStringEndsWith('--ssl-ca="'.$sTestCa.'"', $sCliArgsCapathCfg);
+		$this->assertStringEndsWith('--ssl-ca='.DBBackup::EscapeShellArg($sTestCa), $sCliArgsCapathCfg);
 	}
 }