diff --git a/src/main.rs b/src/main.rs
index af4ebb5..91f77a2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -120,7 +120,7 @@ fn log(f: &String, enabled: &bool, since: &Option<String>, verbose: &bool, preci
          curr.d = 0.0;
       }
       let mut d = 1.0;
-      if x.x.len() == 0 {
+      if curr.xs.len() == 0 {
          d = 0.0;
       } else if i > 0 {
          d = ((tsheet.xs[i].t - tsheet.xs[i-1].t) as f32 / (60.0*60.0)) as f32;