diff --git a/dist/index.js b/dist/index.js
index ac8f509..26fede8 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1018,12 +1018,13 @@ function run() {
                 return;
             }
             const inputs = yield context_1.getInputs();
+            const args = yield context_1.getArgs(inputs);
             if (inputs.builder) {
                 core.info(`📌 Using builder instance ${inputs.builder}`);
                 yield buildx.use(inputs.builder);
             }
             core.info(`🏃 Starting build...`);
-            yield exec.exec('docker', yield context_1.getArgs(inputs));
+            yield exec.exec('docker', args);
         }
         catch (error) {
             core.setFailed(error.message);
@@ -1436,17 +1437,17 @@ function getArgs(inputs) {
     return __awaiter(this, void 0, void 0, function* () {
         let args = ['buildx'];
         if (inputs.bake) {
-            args.concat(yield getBakeArgs(inputs));
+            args.push.apply(args, yield getBakeArgs(inputs));
         }
         else {
-            args.concat(yield getBuildArgs(inputs));
+            args.push.apply(args, yield getBuildArgs(inputs));
         }
-        args.concat(yield getCommonArgs(inputs));
+        args.push.apply(args, yield getCommonArgs(inputs));
         if (!inputs.bake) {
             args.push(inputs.context);
         }
         else {
-            args.concat(inputs.bakeTargets);
+            args.push.apply(args, inputs.bakeTargets);
         }
         return args;
     });
diff --git a/src/context.ts b/src/context.ts
index 54a5c9a..19530d8 100644
--- a/src/context.ts
+++ b/src/context.ts
@@ -46,25 +46,26 @@ export async function getInputs(): Promise<Inputs> {
   };
 }
 
-export async function getArgs(inputs: Inputs): Promise<string[]> {
+export async function getArgs(inputs: Inputs): Promise<Array<string>> {
   let args: Array<string> = ['buildx'];
+
   if (inputs.bake) {
-    args.concat(await getBakeArgs(inputs));
+    args.push.apply(args, await getBakeArgs(inputs));
   } else {
-    args.concat(await getBuildArgs(inputs));
+    args.push.apply(args, await getBuildArgs(inputs));
   }
-  args.concat(await getCommonArgs(inputs));
+  args.push.apply(args, await getCommonArgs(inputs));
 
   if (!inputs.bake) {
     args.push(inputs.context);
   } else {
-    args.concat(inputs.bakeTargets);
+    args.push.apply(args, inputs.bakeTargets);
   }
 
   return args;
 }
 
-async function getCommonArgs(inputs: Inputs): Promise<string[]> {
+async function getCommonArgs(inputs: Inputs): Promise<Array<string>> {
   let args: Array<string> = [];
   if (inputs.noCache) {
     args.push('--no-cache');
@@ -81,7 +82,7 @@ async function getCommonArgs(inputs: Inputs): Promise<string[]> {
   return args;
 }
 
-async function getBakeArgs(inputs: Inputs): Promise<string[]> {
+async function getBakeArgs(inputs: Inputs): Promise<Array<string>> {
   let args: Array<string> = ['bake'];
   await asyncForEach(inputs.bakeFiles, async bakeFile => {
     args.push('--file', bakeFile);
@@ -89,7 +90,7 @@ async function getBakeArgs(inputs: Inputs): Promise<string[]> {
   return args;
 }
 
-async function getBuildArgs(inputs: Inputs): Promise<string[]> {
+async function getBuildArgs(inputs: Inputs): Promise<Array<string>> {
   let args: Array<string> = ['build'];
   await asyncForEach(inputs.buildArgs, async buildArg => {
     args.push('--build-arg', buildArg);
diff --git a/src/main.ts b/src/main.ts
index 2fc36ef..7e13313 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -17,6 +17,7 @@ async function run(): Promise<void> {
     }
 
     const inputs: Inputs = await getInputs();
+    const args: string[] = await getArgs(inputs);
 
     if (inputs.builder) {
       core.info(`📌 Using builder instance ${inputs.builder}`);
@@ -24,7 +25,7 @@ async function run(): Promise<void> {
     }
 
     core.info(`🏃 Starting build...`);
-    await exec.exec('docker', await getArgs(inputs));
+    await exec.exec('docker', args);
   } catch (error) {
     core.setFailed(error.message);
   }