diff --git a/config.json b/config.json
index e2460fd..0926e99 100644
--- a/config.json
+++ b/config.json
@@ -6,6 +6,6 @@
     "bit_ref": 0,
     "bit_meas": 1,
 
-    "refpll_ki": 4294967,
-    "refpll_kl": 85899345
+    "refpll_ki": 429496,
+    "refpll_kp": 4294967
 }
diff --git a/shell.nix b/shell.nix
index 08635d5..670c363 100644
--- a/shell.nix
+++ b/shell.nix
@@ -69,9 +69,9 @@ let
     patches = [ ./glasgow-applet.diff ];
     nativeBuildInputs = with pkgs; [ gnumake sdcc ];
     propagatedBuildInputs = (
-    	[ fx2 nmigen ] ++
-    	(with pkgs.python3Packages; [ libusb1 aiohttp pyvcd bitarray crcmod ]) ++
-    	(with pkgs; [ yosys nextpnr icestorm ]));
+      [ fx2 nmigen ] ++
+      (with pkgs.python3Packages; [ libusb1 aiohttp pyvcd bitarray crcmod ]) ++
+      (with pkgs; [ yosys nextpnr icestorm ]));
     preBuild = ''
       cd software
       python setup.py build_ext
diff --git a/src/main.rs b/src/main.rs
index 5d977c8..8a4dc9f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -20,7 +20,7 @@ struct Config {
     bit_ref: u8,
     bit_meas: u8,
     refpll_ki: i64,
-    refpll_kl: i64
+    refpll_kp: i64
 }
 
 fn read_config_from_file<P: AsRef<Path>>(path: P) -> Result<Config, Box<Error>> {
@@ -36,7 +36,7 @@ fn main() {
         noptica::Dpll::frequency_to_ftw(config.freq_min, config.sample_rate),
         noptica::Dpll::frequency_to_ftw(config.freq_max, config.sample_rate),
         config.refpll_ki,
-        config.refpll_kl);
+        config.refpll_kp);
     let mut tracker = noptica::Tracker::new();
     let mut decimator = noptica::Decimator::new(200000);
     noptica::sample(&config.sample_command, |rising, _falling| {