diff --git a/src/app.rs b/src/app.rs
index 1b0e356..fad94b7 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -278,7 +278,7 @@ impl TabViewer {
                                 if freq % 1_000 == 0 {
                                     format!("{}k", (freq / 1_000) as u64)
                                 } else {
-                                    format!("{:.1}k", freq / 1_000)
+                                    format!("{:.1}k", freq as f32 / 1_000.0)
                                 }
                             } else {
                                 // Hz