diff --git a/src/application/mod.rs b/src/application/mod.rs
index 8fda9a0..42f808d 100644
--- a/src/application/mod.rs
+++ b/src/application/mod.rs
@@ -83,7 +83,7 @@ impl App {
         defmt::info!("Application Startup!");
 
         let mut si_pll = si5153::Si5153::new(&self.i2c);
-        si_pll.init(&mut self.i2c, 25000000, 800000000, 800000000);
+        si_pll.init(&mut self.i2c, 25000000, 800000000 - 55_000, 800000000);
         si_pll.set_ms_source(&mut self.i2c, si5153::Multisynth::MS0, si5153::PLL::A);
 
         defmt::info!("PLL setup complete.");