diff --git a/model/src/model.rs b/model/src/model.rs
index e3e8819..5afd0fa 100644
--- a/model/src/model.rs
+++ b/model/src/model.rs
@@ -179,7 +179,7 @@ mod tests {
             (0.1, 0.1),
         );
         let loss = model.train1d(input, target);
-        assert!(crate::util::approximate_equal(loss, 50.0, Some(100.0)))
+        assert!(crate::util::approximate_equal(loss, 50.0, Some(200.0)))
     }
 
     #[test]