diff --git a/os-mods/ryzenapu/default.nix b/os-mods/ryzenapu/default.nix
index 4900016..1992c36 100644
--- a/os-mods/ryzenapu/default.nix
+++ b/os-mods/ryzenapu/default.nix
@@ -21,7 +21,7 @@
     let
       tcl = "80";
       # coall = "1048561"; # 1048561 = 0x100000 - 15(mV) $ math "0x100000-15" # slight undervolt
-      coall = " 1048576";  # no oc?
+      coall = "1048576"; # no oc?
       defaults = "--tctl-temp=${tcl} --set-coall=${coall}";
     in
     {