diff --git a/src/js/main.js b/src/js/main.js
index b9858c05..b47e75c2 100644
--- a/src/js/main.js
+++ b/src/js/main.js
@@ -49,7 +49,7 @@ async function main() {
 
   stdio.info(`Computed prettify options: ${JSON.stringify(finalConfig)}`);
 
-  const fileContents = constants.USING_EDITOR_TEXT_TEMP_FILE === 'True'
+  const bufferContents = constants.USING_EDITOR_TEXT_TEMP_FILE === 'True'
     ? await fs.readFile(constants.EDITOR_TEXT_TEMP_FILE_PATH, { encoding: 'utf8' })
     : constants.EDITOR_TEXT_TEMP_FILE_CONTENTS;
 
@@ -57,31 +57,31 @@ async function main() {
     stdio.info('Attempting to prettify what seems to be a CSS file.');
     stdio.endDiagnostics();
     stdio.beginPrettifiedCode();
-    stdio.out(beautify.css(fileContents, finalConfig.css));
+    stdio.out(beautify.css(bufferContents, finalConfig.css));
     stdio.endPrettifiedCode();
-  } else if (isHTML(fileContents)) {
+  } else if (isHTML(bufferContents)) {
     stdio.info('Attempting to prettify what seems to be a HTML file.');
     stdio.endDiagnostics();
     stdio.beginPrettifiedCode();
-    stdio.out(beautify.html(fileContents, finalConfig.html));
+    stdio.out(beautify.html(bufferContents, finalConfig.html));
     stdio.endPrettifiedCode();
-  } else if (isJSON()) {
+  } else if (isJSON(bufferContents)) {
     stdio.info('Attempting to prettify what seems to be a JSON file.');
     stdio.endDiagnostics();
     stdio.beginPrettifiedCode();
-    stdio.out(beautify.js(fileContents, finalConfig.json));
+    stdio.out(beautify.js(bufferContents, finalConfig.json));
     stdio.endPrettifiedCode();
-  } else if (isJS(fileContents)) {
+  } else if (isJS(bufferContents)) {
     stdio.info('Attempting to prettify what seems to be a JS file.');
     stdio.endDiagnostics();
     stdio.beginPrettifiedCode();
-    stdio.out(beautify.js(fileContents, finalConfig.js));
+    stdio.out(beautify.js(bufferContents, finalConfig.js));
     stdio.endPrettifiedCode();
   } else {
     stdio.info('Unsupported file type');
     stdio.endDiagnostics();
     stdio.beginPrettifiedCode();
-    stdio.out(fileContents);
+    stdio.out(bufferContents);
     stdio.endPrettifiedCode();
   }
 }