diff --git a/src/readmefile.ts b/src/readmefile.ts
index 75a042d..98daf95 100644
--- a/src/readmefile.ts
+++ b/src/readmefile.ts
@@ -55,9 +55,9 @@ function readReadmeFile(readmeFile: string): [string, string] {
     if (index === undefined) {
         contentPre = content
     } else {
-        content = content.replace(regex, '')
-        contentPre = content.slice(0, index)
-        contentPost = content.slice(index)
+        let content_replace = content.replace(regex, '')
+        contentPre = content_replace.slice(0, index)
+        contentPost = content_replace.slice(index)
     }
 
     if (!contentPre.endsWith('\n')) {