diff --git a/hosts/argon/configuration.nix b/hosts/argon/configuration.nix
index 69e2064..efa6262 100644
--- a/hosts/argon/configuration.nix
+++ b/hosts/argon/configuration.nix
@@ -2,6 +2,7 @@
 
 {
   imports = [
+    ../../modules/nixos/appimage.nix
     ../../modules/nixos/astro.nix
     ../../modules/nixos/audio.nix
     ../../modules/nixos/bootloader.nix
diff --git a/hosts/neon/configuration.nix b/hosts/neon/configuration.nix
index 472ac6f..484e4f4 100644
--- a/hosts/neon/configuration.nix
+++ b/hosts/neon/configuration.nix
@@ -2,6 +2,7 @@
 
 {
   imports = [
+    ../../modules/nixos/appimage.nix
     ../../modules/nixos/astro.nix
     ../../modules/nixos/audio.nix
     ../../modules/nixos/bootloader.nix
diff --git a/modules/nixos/appimage.nix b/modules/nixos/appimage.nix
new file mode 100644
index 0000000..f466063
--- /dev/null
+++ b/modules/nixos/appimage.nix
@@ -0,0 +1,19 @@
+{ config, lib, pkgs, ... }:
+
+{
+  # AppImages ship a squashfs payload that the bundled runtime mounts through
+  # libfuse.so.2 at startup. nix-ld resolves the ELF interpreter but not that
+  # dlopen, so running one directly dies with "dlopen(): error loading
+  # libfuse.so.2". appimage-run sidesteps the mount entirely: it unpacks the
+  # image and runs the payload inside an FHS sandbox, which the bundled Qt and
+  # electron style binaries need anyway.
+  #
+  # Used for the BitBox02 wallet AppImage, downloaded fresh from
+  # https://bitbox.swiss/download/ rather than installed from nixpkgs.
+  programs.appimage = {
+    enable = true;
+    # register AppImages with binfmt_misc so ./Something.AppImage runs as-is,
+    # no appimage-run prefix to remember.
+    binfmt = true;
+  };
+}