diff --git a/src/gadgets/nonnative.rs b/src/gadgets/nonnative.rs
index 6e57dc7d..c8539629 100644
--- a/src/gadgets/nonnative.rs
+++ b/src/gadgets/nonnative.rs
@@ -143,8 +143,8 @@ mod tests {
         let y = builder.constant_ff(y_ff);
         let sum = builder.add_nonnative(&x, &y);
 
-        //let sum_expected = builder.constant_ff(sum_ff);
-        //builder.connect_ff_reduced(&sum, &sum_expected);
+        let sum_expected = builder.constant_ff(sum_ff);
+        builder.connect_ff_reduced(&sum, &sum_expected);
 
         let data = builder.build();
         let proof = data.prove(pw).unwrap();