diff --git a/extra/update-version.js b/extra/update-version.js
index 30286300..21fdf322 100644
--- a/extra/update-version.js
+++ b/extra/update-version.js
@@ -10,14 +10,14 @@ const newVersion = process.env.VERSION;
 
 console.log("New Version: " + newVersion);
 
-if (!newVersion) {
+if (! newVersion) {
     console.error("invalid version");
     process.exit(1);
 }
 
 const exists = tagExists(newVersion);
 
-if (!exists) {
+if (! exists) {
 
     // Process package.json
     pkg.version = newVersion;
@@ -51,7 +51,7 @@ function tag(version) {
 }
 
 function tagExists(version) {
-    if (!version) {
+    if (! version) {
         throw new Error("invalid version");
     }
 
@@ -93,4 +93,4 @@ function safeDelete(dir) {
             recursive: true,
         });
     }
-}
\ No newline at end of file
+}