diff --git a/modules/audio/default.nix b/modules/audio/default.nix
index 44857d9..05a4cf6 100644
--- a/modules/audio/default.nix
+++ b/modules/audio/default.nix
@@ -17,41 +17,42 @@
 
   hardware.pulseaudio.enable = false;
 
-  environment.etc = let
-    json = pkgs.formats.json {};
-  in {
-    "pipewire/pipewire.conf.d/91-rnnoise.conf".source = json.generate "91-rnnoise.conf" {
-      context.modules = [{
-        name = "libpipewire-module-filter-chain";
-        args = {
-          node.description =  "Noise Canceling source";
-          media.name =  "Noise Canceling source";
-          filter.graph = {
-            nodes = [{
-              type = "ladspa";
-              name = "rnnoise";
-              plugin = "${pkgs.rnnoise-plugin}/lib/ladspa/librnnoise_ladspa.so";
-              label = "noise_suppressor_mono";
-              control = {
-                "VAD Threshold (%)" = 50.0;
-                "VAD Grace Period (ms)" = 200;
-                "Retroactive VAD Grace (ms)" = 0;
-              };
-            }];
-          };
-          capture.props = {
-            node.name =  "capture.rnnoise_source";
-            node.passive = true;
-            audio.rate = 48000;
-          };
-          playback.props = {
-            node.name =  "rnnoise_source";
-            media.class = "Audio/Source";
-            audio.rate = 48000;
-          };
-        };
-      }];
-    };
+  environment.etc = {
+    "pipewire/pipewire.conf.d/rnnoise.conf".text = ''
+context.modules = [
+{   name = libpipewire-module-filter-chain
+    args = {
+        node.description =  "Noise Canceling source"
+        media.name =  "Noise Canceling source"
+        filter.graph = {
+            nodes = [
+                {
+                    type = ladspa
+                    name = rnnoise
+                    plugin = ${pkgs.rnnoise-plugin}/lib/ladspa/librnnoise_ladspa.so
+                    label = noise_suppressor_mono
+                    control = {
+                        "VAD Threshold (%)" = 50.0
+                        "VAD Grace Period (ms)" = 200
+                        "Retroactive VAD Grace (ms)" = 0
+                    }
+                }
+            ]
+        }
+        capture.props = {
+            node.name =  "capture.rnnoise_source"
+            node.passive = true
+            audio.rate = 48000
+        }
+        playback.props = {
+            node.name =  "rnnoise_source"
+            media.class = Audio/Source
+            audio.rate = 48000
+        }
+    }
+}
+]
+    '';
   };
 }