diff --git a/Sharpmake/SourceAttributeParser.cs b/Sharpmake/SourceAttributeParser.cs
index 0d1050538..1e5672586 100644
--- a/Sharpmake/SourceAttributeParser.cs
+++ b/Sharpmake/SourceAttributeParser.cs
@@ -53,7 +53,7 @@ public static Regex CreateAttributeRegex(string attributeTarget, string attribut
             regex += $@"{Regex.Escape(attributeName)}{dp}";
             if (parameterCount == 0)
             {
-                regex += $@"(?:\({dp}\))";
+                regex += $@"(?:\({dp}\))?";
             }
             else
             {