diff --git a/action.yml b/action.yml
index abc2cc9b..4867c5b0 100644
--- a/action.yml
+++ b/action.yml
@@ -13,6 +13,7 @@ inputs:
     description: 'Signing key secret retrieved after creating binary cache on https://cachix.org'
   skipPush:
     description: 'Set to true to disable pushing build results to the cache'
+    default: 'false'
   pathsToPush:
     description: 'Whitespace-separated list of paths to push. Leave empty to push every build result.'
   pushFilter:
@@ -21,9 +22,10 @@ inputs:
     description: 'Extra command-line arguments to pass to cachix. If empty, defaults to -j8'
   skipAddingSubstituter:
     description: 'Set to true to skip adding cachix cache as a substitute'
+    default: 'false'
   useDaemon:
     description: "Push store paths to the cache as they're built with the Cachix Daemon"
-    default: true
+    default: 'true'
   cachixBin:
     description: 'Provide a custom path to the cachix binary'
   installCommand:
diff --git a/dist/main/index.js b/dist/main/index.js
index deb398a9..a75eb7d2 100644
--- a/dist/main/index.js
+++ b/dist/main/index.js
@@ -7740,11 +7740,11 @@ const name = core.getInput('name', { required: true });
 const extraPullNames = core.getInput('extraPullNames');
 const signingKey = core.getInput('signingKey');
 const authToken = core.getInput('authToken');
-const skipPush = core.getInput('skipPush');
+const skipPush = core.getBooleanInput('skipPush');
 const pathsToPush = core.getInput('pathsToPush');
 const pushFilter = core.getInput('pushFilter');
 const cachixArgs = core.getInput('cachixArgs');
-const skipAddingSubstituter = core.getInput('skipAddingSubstituter');
+const skipAddingSubstituter = core.getBooleanInput('skipAddingSubstituter');
 const useDaemon = core.getBooleanInput('useDaemon');
 const cachixBinInput = core.getInput('cachixBin');
 const installCommand = core.getInput('installCommand') ||
@@ -7782,7 +7782,7 @@ async function setup() {
         if (authToken !== "") {
             await exec.exec(cachixBin, ['authtoken', authToken]);
         }
-        if (skipAddingSubstituter === 'true') {
+        if (skipAddingSubstituter) {
             core.info('Not adding Cachix cache to substituters as skipAddingSubstituter is set to true');
         }
         else {
@@ -7860,7 +7860,7 @@ async function upload() {
     const cachixBin = core.getState('cachixBin');
     const supportsDaemon = core.getState('supportsDaemon') === 'true';
     try {
-        if (skipPush === 'true') {
+        if (skipPush) {
             core.info('Pushing is disabled as skipPush is set to true');
         }
         else if (signingKey !== "" || authToken !== "") {
diff --git a/src/main.ts b/src/main.ts
index bfc1eed2..68ab4ee7 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -14,11 +14,11 @@ const name = core.getInput('name', { required: true });
 const extraPullNames = core.getInput('extraPullNames');
 const signingKey = core.getInput('signingKey');
 const authToken = core.getInput('authToken')
-const skipPush = core.getInput('skipPush');
+const skipPush = core.getBooleanInput('skipPush');
 const pathsToPush = core.getInput('pathsToPush');
 const pushFilter = core.getInput('pushFilter');
 const cachixArgs = core.getInput('cachixArgs');
-const skipAddingSubstituter = core.getInput('skipAddingSubstituter');
+const skipAddingSubstituter = core.getBooleanInput('skipAddingSubstituter');
 const useDaemon = core.getBooleanInput('useDaemon');
 const cachixBinInput = core.getInput('cachixBin');
 const installCommand =
@@ -64,7 +64,7 @@ async function setup() {
       await exec.exec(cachixBin, ['authtoken', authToken]);
     }
 
-    if (skipAddingSubstituter === 'true') {
+    if (skipAddingSubstituter) {
       core.info('Not adding Cachix cache to substituters as skipAddingSubstituter is set to true')
     } else {
       core.startGroup(`Cachix: using cache ` + name);
@@ -156,7 +156,7 @@ async function upload() {
   const supportsDaemon = core.getState('supportsDaemon') === 'true';
 
   try {
-    if (skipPush === 'true') {
+    if (skipPush) {
       core.info('Pushing is disabled as skipPush is set to true');
     } else if (signingKey !== "" || authToken !== "") {
       if (useDaemon && supportsDaemon) {