--- a/browser/extensions/shield-recipe-client/lib/NormandyDriver.jsm
+++ b/browser/extensions/shield-recipe-client/lib/NormandyDriver.jsm
@@ -167,22 +167,33 @@ this.NormandyDriver = function(sandboxMa
       uninstall: sandboxManager.wrapAsync(Addons.uninstall.bind(Addons)),
     },
 
     // Sampling
     ratioSample: sandboxManager.wrapAsync(Sampling.ratioSample),
 
     // Preference Experiment API
     preferenceExperiments: {
-      start: sandboxManager.wrapAsync(PreferenceExperiments.start, {cloneArguments: true}),
-      markLastSeen: sandboxManager.wrapAsync(PreferenceExperiments.markLastSeen),
-      stop: sandboxManager.wrapAsync(PreferenceExperiments.stop),
-      get: sandboxManager.wrapAsync(PreferenceExperiments.get, {cloneInto: true}),
-      getAllActive: sandboxManager.wrapAsync(PreferenceExperiments.getAllActive, {cloneInto: true}),
-      has: sandboxManager.wrapAsync(PreferenceExperiments.has),
+      start: sandboxManager.wrapAsync(
+        PreferenceExperiments.start.bind(PreferenceExperiments),
+        {cloneArguments: true}
+      ),
+      markLastSeen: sandboxManager.wrapAsync(
+        PreferenceExperiments.markLastSeen.bind(PreferenceExperiments)
+      ),
+      stop: sandboxManager.wrapAsync(PreferenceExperiments.stop.bind(PreferenceExperiments)),
+      get: sandboxManager.wrapAsync(
+        PreferenceExperiments.get.bind(PreferenceExperiments),
+        {cloneInto: true}
+      ),
+      getAllActive: sandboxManager.wrapAsync(
+        PreferenceExperiments.getAllActive.bind(PreferenceExperiments),
+        {cloneInto: true}
+      ),
+      has: sandboxManager.wrapAsync(PreferenceExperiments.has.bind(PreferenceExperiments)),
     },
 
     // Study storage API
     studies: {
       start: sandboxManager.wrapAsync(
         AddonStudies.start.bind(AddonStudies),
         {cloneArguments: true, cloneInto: true}
       ),

--- a/browser/extensions/shield-recipe-client/test/browser/browser_NormandyDriver.js
+++ b/browser/extensions/shield-recipe-client/test/browser/browser_NormandyDriver.js
@@ -310,8 +310,52 @@ decorate_task(
         ok(
           !driver.preferences.has("test.does.not.exist"),
           "preferences.has returns false if the given preference does not exist."
         );
       })();
     `);
   })
 );
+
+decorate_task(
+  withSandboxManager(Assert),
+  withMockPreferences,
+  async function testAddonStudies(sandboxManager) {
+    const driver = new NormandyDriver(sandboxManager);
+    sandboxManager.cloneIntoGlobal("driver", driver, {cloneFunctions: true});
+
+    // Assertion helpers
+    sandboxManager.addGlobal("is", is);
+    sandboxManager.addGlobal("ok", ok);
+
+    await sandboxManager.evalInSandbox(`
+      (async function sandboxTest() {
+        const studyName = "preftest";
+        let hasStudy = await driver.preferenceExperiments.has(studyName);
+        ok(!hasStudy, "preferenceExperiments.has returns false if the study hasn't been started yet.");
+
+        await driver.preferenceExperiments.start({
+          name: studyName,
+          branch: "control",
+          preferenceName: "test.pref",
+          preferenceValue: true,
+          preferenceBranchType: "user",
+          preferenceType: "boolean",
+        });
+        hasStudy = await driver.preferenceExperiments.has(studyName);
+        ok(hasStudy, "preferenceExperiments.has returns true after the study has been started.");
+
+        let study = await driver.preferenceExperiments.get(studyName);
+        is(
+          study.branch,
+          "control",
+          "preferenceExperiments.get fetches studies from within a sandbox."
+        );
+        ok(!study.expired, "Studies are marked as active after being started by the driver.");
+
+        await driver.preferenceExperiments.stop(studyName);
+        study = await driver.preferenceExperiments.get(studyName);
+        ok(study.expired, "Studies are marked as inactive after being stopped by the driver.");
+      })();
+    `);
+  }
+);