diff --git a/tests/modules/services/linux-wallpaperengine/default.nix b/tests/modules/services/linux-wallpaperengine/default.nix
index c0d18883..3ce00fbe 100644
--- a/tests/modules/services/linux-wallpaperengine/default.nix
+++ b/tests/modules/services/linux-wallpaperengine/default.nix
@@ -3,4 +3,5 @@
 lib.optionalAttrs pkgs.stdenv.hostPlatform.isLinux {
   linux-wallpaperengine-basic-configuration = ./basic-configuration.nix;
   linux-wallpaperengine-null-options = ./null-options.nix;
+  linux-wallpaperengine-missing-spaces = ./missing-spaces.nix;
 }
diff --git a/tests/modules/services/linux-wallpaperengine/missing-spaces-expected.service b/tests/modules/services/linux-wallpaperengine/missing-spaces-expected.service
new file mode 100644
index 00000000..e00de993
--- /dev/null
+++ b/tests/modules/services/linux-wallpaperengine/missing-spaces-expected.service
@@ -0,0 +1,11 @@
+[Install]
+WantedBy=graphical-session.target
+
+[Service]
+ExecStart=@linux-wallpaperengine@/bin/linux-wallpaperengine --screen-root HDMI-A-1 --bg 2902931482
+Restart=on-failure
+
+[Unit]
+After=graphical-session.target
+Description=Implementation of Wallpaper Engine on Linux
+PartOf=graphical-session.target
diff --git a/tests/modules/services/linux-wallpaperengine/missing-spaces.nix b/tests/modules/services/linux-wallpaperengine/missing-spaces.nix
new file mode 100644
index 00000000..aea18051
--- /dev/null
+++ b/tests/modules/services/linux-wallpaperengine/missing-spaces.nix
@@ -0,0 +1,17 @@
+{
+  services.linux-wallpaperengine = {
+    enable = true;
+    wallpapers = [
+      {
+        monitor = "HDMI-A-1";
+        wallpaperId = "2902931482";
+      }
+    ];
+  };
+
+  nmt.script = ''
+    assertFileContent \
+        home-files/.config/systemd/user/linux-wallpaperengine.service \
+        ${./missing-spaces-expected.service}
+  '';
+}