diff --git a/setup/setuputils.class.inc.php b/setup/setuputils.class.inc.php
index fc69f16bb..890e3390a 100644
--- a/setup/setuputils.class.inc.php
+++ b/setup/setuputils.class.inc.php
@@ -562,8 +562,7 @@ class SetupUtils
 			clearstatcache();
 			if (!is_file($sGraphvizPath) || !is_executable($sGraphvizPath)) {
 				//N°3412 avoid shell injection
-				return new CheckResult(CheckResult::ERROR,
-					"$sGraphvizPath could not be executed: Please make sure it is installed and in the path");
+				return new CheckResult(CheckResult::WARNING, "$sGraphvizPath could not be executed: Please make sure it is installed and in the path");
 			}
 
 			if (!utils::IsWindowsEnvironment()){
diff --git a/test/setup/SetupUtilsTest.php b/test/setup/SetupUtilsTest.php
index 47a996bb7..f2f931ce0 100644
--- a/test/setup/SetupUtilsTest.php
+++ b/test/setup/SetupUtilsTest.php
@@ -47,7 +47,7 @@ class SetupUtilsTest extends ItopTestCase
 		return [
 			"bash injection" => [
 				"touch /tmp/toto",
-				0,
+				1,
 				"could not be executed: Please make sure it is installed and in the path",
 			],
 			"command ok" => [