diff --git a/MeshLib/MeshInformation.h b/MeshLib/MeshInformation.h
index bba51e35f2862ff7feea007d7cb7c09f68b4445f..88e674ab0da0cfe91d5d5608b7e14e9f75c6fbd3 100644
--- a/MeshLib/MeshInformation.h
+++ b/MeshLib/MeshInformation.h
@@ -43,7 +43,7 @@ public:
         {
             INFO("Mesh property vector '{:s}' is empty.",
                  property.getPropertyName());
-            return {};
+            return std::nullopt;
         }
 
         auto const [min, max] =