diff --git a/lib/plugins/aws/deployFunction/index.js b/lib/plugins/aws/deployFunction/index.js
index 546cd99d3..8df9ae52b 100644
--- a/lib/plugins/aws/deployFunction/index.js
+++ b/lib/plugins/aws/deployFunction/index.js
@@ -75,11 +75,14 @@ class AwsDeployFunction {
     };
 
     // Get function stats
-    let stats = fs.statSync(this.options.functionObj.artifact);
-    let fileSizeInBytes = stats.size;
-    let fileSizeInMegabytes = fileSizeInBytes / 1000000.0;
+    const stats = fs.statSync(this.options.functionObj.artifact);
+    const fileSizeInBytes = stats.size;
+    const fileSizeInMegabytes = fileSizeInBytes / 1000000.0;
     this.serverless.cli.log(
-      `Uploading function: ${this.options.function} (${Math.round(fileSizeInMegabytes * 100) / 100}MB)...`);
+      [
+        `Uploading function: ${this.options.function}`,
+        `(${Math.round(fileSizeInMegabytes * 100) / 100}MB)...`,
+      ].join(''));
 
     // Perform upload
     return this.sdk.request(