diff --git a/src/widgets/cpu.rs b/src/widgets/cpu.rs
index 5aafc01..6b6ec82 100644
--- a/src/widgets/cpu.rs
+++ b/src/widgets/cpu.rs
@@ -64,7 +64,7 @@ impl CpuWidget {
 
     pub fn new() -> Self {
         let last_stats = Self::read_status().unwrap();
-        let num_samples = 6;
+        let num_samples = 1;
         let history = (0..last_stats.len())
             .map(|_| (0..num_samples).map(|_| 0.).collect::<VecDeque<f32>>())
             .collect::<Vec<VecDeque<f32>>>();
@@ -116,7 +116,8 @@ impl CpuWidget {
                     .collect()
             })
             .collect();
-        Some(format!("CPU|{}", graphs.join("|")))
+        let joiner = if self.history[0].len() > 1 { "|" } else { "" };
+        Some(format!("CPU|{}", graphs.join(joiner)))
     }
 }