diff --git a/nixos/modules/services/home-automation/wyoming/faster-whisper.nix b/nixos/modules/services/home-automation/wyoming/faster-whisper.nix
index 69407efba0c6..25216689599d 100644
--- a/nixos/modules/services/home-automation/wyoming/faster-whisper.nix
+++ b/nixos/modules/services/home-automation/wyoming/faster-whisper.nix
@@ -273,7 +273,8 @@ in
             ProtectKernelTunables = true;
             ProtectControlGroups = true;
             ProtectProc = "invisible";
-            ProcSubset = "pid";
+            # "all" is required because faster-whisper accesses /proc/cpuinfo to determine cpu capabilities
+            ProcSubset = "all";
             RestrictAddressFamilies = [
               "AF_INET"
               "AF_INET6"