diff --git a/packages/daemon/src/daemon.js b/packages/daemon/src/daemon.js
index 1d0013e6fd..7c03636556 100644
--- a/packages/daemon/src/daemon.js
+++ b/packages/daemon/src/daemon.js
@@ -384,7 +384,8 @@ const makeEndoBootstrap = (
     formulaIdentifier,
     terminator,
   ) => {
-    const { type: formulaType, number: formulaNumber } = parseFormulaIdentifier(formulaIdentifier);
+    const { type: formulaType, number: formulaNumber } =
+      parseFormulaIdentifier(formulaIdentifier);
     if (formulaIdentifier === 'pet-store') {
       const external = petStorePowers.makeOwnPetStore(
         'pet-store',
diff --git a/packages/daemon/src/formula-identifier.js b/packages/daemon/src/formula-identifier.js
index 706b04bf94..4baaef6410 100644
--- a/packages/daemon/src/formula-identifier.js
+++ b/packages/daemon/src/formula-identifier.js
@@ -26,4 +26,4 @@ export const parseFormulaIdentifier = formulaIdentifier => {
   const type = formulaIdentifier.slice(0, delimiterIndex);
   const number = formulaIdentifier.slice(delimiterIndex + 1);
   return { type, number };
-}
+};
diff --git a/packages/daemon/src/guest.js b/packages/daemon/src/guest.js
index c4bb93e970..3ec17b4804 100644
--- a/packages/daemon/src/guest.js
+++ b/packages/daemon/src/guest.js
@@ -69,7 +69,13 @@ export const makeGuestMaker = ({
       terminator,
     });
 
-    const { has, list, follow: followNames, listEntries, followEntries } = petStore;
+    const {
+      has,
+      list,
+      follow: followNames,
+      listEntries,
+      followEntries,
+    } = petStore;
 
     /** @type {import('@endo/eventual-send').ERef<import('./types.js').EndoGuest>} */
     const guest = Far('EndoGuest', {
diff --git a/packages/daemon/src/host.js b/packages/daemon/src/host.js
index dec3a9847d..0b72dfbf1a 100644
--- a/packages/daemon/src/host.js
+++ b/packages/daemon/src/host.js
@@ -417,7 +417,13 @@ export const makeHostMaker = ({
       return value;
     };
 
-    const { has, list, follow: followNames, listEntries, followEntries } = petStore;
+    const {
+      has,
+      list,
+      follow: followNames,
+      listEntries,
+      followEntries,
+    } = petStore;
 
     /** @type {import('./types.js').EndoHost} */
     const host = Far('EndoHost', {
diff --git a/packages/daemon/src/pet-store.js b/packages/daemon/src/pet-store.js
index 8e60a9f608..69caea4860 100644
--- a/packages/daemon/src/pet-store.js
+++ b/packages/daemon/src/pet-store.js
@@ -106,7 +106,10 @@ export const makePetStoreMaker = (filePowers, locator) => {
       const petNameText = `${formulaIdentifier}\n`;
       await filePowers.writeFileText(petNamePath, petNameText);
       const formularIdentifierPair = parseFormulaIdentifier(formulaIdentifier);
-      changesTopic.publisher.next({ add: petName, value: formularIdentifierPair });
+      changesTopic.publisher.next({
+        add: petName,
+        value: formularIdentifierPair,
+      });
     };
 
     /**
@@ -116,9 +119,7 @@ export const makePetStoreMaker = (filePowers, locator) => {
     const formulaIdentifierPairForPetname = petName => {
       const formulaIdentifier = petNames.get(petName);
       if (formulaIdentifier === undefined) {
-        throw new Error(
-          `Formula does not exist for pet name ${q(petName)}`,
-        );
+        throw new Error(`Formula does not exist for pet name ${q(petName)}`);
       }
       const { type, number } = parseFormulaIdentifier(formulaIdentifier);
       return {
@@ -135,7 +136,8 @@ export const makePetStoreMaker = (filePowers, locator) => {
         (async function* currentAndSubsequentNames() {
           const changes = changesTopic.subscribe();
           for (const name of [...petNames.keys()].sort()) {
-            const formularIdentifierPair = formulaIdentifierPairForPetname(name);
+            const formularIdentifierPair =
+              formulaIdentifierPairForPetname(name);
             yield {
               add: name,
               value: formularIdentifierPair,
@@ -147,13 +149,12 @@ export const makePetStoreMaker = (filePowers, locator) => {
 
     // Returns in Object.fromEntries format.
     /** @returns {Array<[string, import('./types.js').FormulaIdentifierPair]>} */
-    const listEntries = () => harden(
-      [...petNames.keys()]
-        .sort()
-        .map(name => {
-          return [name, formulaIdentifierPairForPetname(name)]
+    const listEntries = () =>
+      harden(
+        [...petNames.keys()].sort().map(name => {
+          return [name, formulaIdentifierPairForPetname(name)];
         }),
-    );
+      );
     // Provided as an alias for follow, with naming symmetry to listEntries.
     const followEntries = follow;
 
diff --git a/packages/daemon/src/types.d.ts b/packages/daemon/src/types.d.ts
index b170d6ebb1..cee7a25781 100644
--- a/packages/daemon/src/types.d.ts
+++ b/packages/daemon/src/types.d.ts
@@ -165,7 +165,11 @@ export interface PetStore {
   list(): Array<string>;
   follow(): Promise<FarRef<String<{ add: string } | { remove: string }>>>;
   listEntries(): Array<[string, FormulaIdentifierPair]>;
-  followEntries(): Promise<FarRef<String<{ add: string, value: FormulaIdentifierPair } | { remove: string }>>>;
+  followEntries(): Promise<
+    FarRef<
+      String<{ add: string; value: FormulaIdentifierPair } | { remove: string }>
+    >
+  >;
   write(petName: string, formulaIdentifier: string): Promise<void>;
   remove(petName: string);
   rename(fromPetName: string, toPetName: string);