diff --git a/src/io.rs b/src/io.rs
index eb667eb..bef559f 100644
--- a/src/io.rs
+++ b/src/io.rs
@@ -410,6 +410,7 @@ mod tests {
             end: 1e+20,
             uncorr: false,
             convdt: 0.0,
+            ignore_empty: false,
         }
     }