diff --git a/web/test-browser-wasm-smoke-opfs-parameter-sections.js b/web/test-browser-wasm-smoke-opfs-parameter-sections.js
index 47e39ce..0b8dee8 100644
--- a/web/test-browser-wasm-smoke-opfs-parameter-sections.js
+++ b/web/test-browser-wasm-smoke-opfs-parameter-sections.js
@@ -143,8 +143,8 @@ export async function runBrowserOpfsParameterSections(context, simulator) {
       "linuxcnc",
       backend,
     );
-    expectEvent(fileParameterEvents, (event) => event.type === "program-end",
-      "OPFS program file with LinuxCNC parameter persistence did not parse");
+    expectEvent(fileParameterEvents, (event) => event.type === "program-end", "OPFS program file with LinuxCNC parameter persistence did not parse");
+    await withSmokeSimulator(async (restoredFileParameterSimulator) => expectEvent(await restoredFileParameterSimulator.parseWithParameterFile("G21 G90\nF100\nO10 if [#5161 EQ 1]\nG1 X10\nO10 endif\n", "parameters/rs274ngc.var", "linuxcnc", backend), (event) => event.type === "linear-feed" && near(event.end.x, 10), "LinuxCNC OPFS parameter file saved by parseFileWithParameterFile was not restored in a new WASM instance"));
   });
 
   await runSection("opfs missing parameter file creation", async () => {