diff --git a/nix/default.nix b/nix/default.nix
index 419b1429..5da00d72 100644
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -70,6 +70,9 @@ assert lib.assertMsg (!hidpiXWayland) "The option `hidpiXWayland` has been remov
     postPatch = ''
       # Fix hardcoded paths to /usr installation
       sed -i "s#/usr#$out#" src/render/OpenGL.cpp
+
+      # Remove extra @PREFIX@ to fix pkg-config paths
+      sed -i "s#@PREFIX@/##g" hyprland.pc.in
     '';
 
     DATE = date;