diff --git a/plugin/bundleVisualizer.ts b/plugin/bundleVisualizer.ts
index b27832d..cd6090d 100644
--- a/plugin/bundleVisualizer.ts
+++ b/plugin/bundleVisualizer.ts
@@ -1,6 +1,7 @@
 import { exec } from 'child_process';
 import { readdirSync, statSync } from 'fs';
-import { join } from 'path';
+import { join, parse } from 'path';
+import { FunctionDefinitionHandler } from 'serverless';
 
 import type { ServerlessAnalyzeBundlePlugin } from './serverlessAnalyzeBundle';
 
@@ -36,19 +37,15 @@ const getAllFiles = function (dirPath: string, arrayOfFilesInput: string[] = [])
   return arrayOfFiles;
 };
 
-const TMP_FOLDER = '/tmp/serverless-esbuild-bundle-analyzer';
-
 async function bundleVisualizer(this: ServerlessAnalyzeBundlePlugin): Promise<void> {
   const { analyze: functionName } = this.options;
   if (functionName === undefined) {
     return;
   }
+  const slsFunction = this.serverless.service.getFunction(functionName);
 
-  const functionZipName = this.serverless.service
-    .getAllFunctionsNames()
-    .find(fullFunctionName => fullFunctionName.endsWith(functionName));
-
-  if (functionZipName === undefined) {
+  const fullZipPath = slsFunction.package?.artifact;
+  if (fullZipPath === undefined) {
     this.serverless.cli.log(
       `🤯 Analyze failed: function ${functionName} was not found`,
       'ServerlessAnalyzeBundlePlugin',
@@ -57,6 +54,7 @@ async function bundleVisualizer(this: ServerlessAnalyzeBundlePlugin): Promise<vo
 
     return;
   }
+  const functionZipName = parse(fullZipPath).base;
 
   this.serverless.cli.log(`⏳ Analyzing function ${functionName}`, 'ServerlessAnalyzeBundlePlugin');
 
@@ -65,10 +63,23 @@ async function bundleVisualizer(this: ServerlessAnalyzeBundlePlugin): Promise<vo
 
   await pExec(`unzip .serverless/${functionZipName} -d ${TEMP_DIR_LOCATION}`);
 
-  const test = getAllFiles(`${TEMP_DIR_LOCATION}`);
-  const metafileName = test.filter(
-    fileName => fileName.includes(`/${functionName}/`) && fileName.endsWith('-meta.json'),
-  )[0];
+  const allFiles = getAllFiles(`${TEMP_DIR_LOCATION}`);
+  const metafileName = allFiles.filter(fileName => {
+    const handlerPath = (slsFunction as FunctionDefinitionHandler).handler.split('.')[0];
+
+    return fileName.includes(handlerPath) && fileName.endsWith('-meta.json');
+  })[0];
+
+  if (!metafileName) {
+    this.serverless.cli.log(
+      `🤯 Analyze failed: function ${functionName} metadata was not found`,
+      'ServerlessAnalyzeBundlePlugin',
+      { color: 'red' },
+    );
+
+    return;
+  }
+
   await pExec(
     [
       'node_modules/.bin/esbuild-visualizer',
@@ -81,4 +92,6 @@ async function bundleVisualizer(this: ServerlessAnalyzeBundlePlugin): Promise<vo
   );
 }
 
+const TMP_FOLDER = '/tmp/serverless-esbuild-bundle-analyzer';
+
 export default bundleVisualizer;