diff --git a/dist/setup/index.js b/dist/setup/index.js
index 66300feb..6366f1de 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -105297,7 +105297,7 @@ function getVersionFromFileContent(content, distributionName) {
 }
 // By convention, action expects version 8 in the format `8.*` instead of `1.8`
 function avoidOldNotation(content) {
-    return content.substring(0, 2) === '1.' ? content.substring(2) : content;
+    return content.startsWith('1.') ? content.substring(2) : content;
 }
 
 
diff --git a/src/setup-java.ts b/src/setup-java.ts
index 345be60a..107e1cb2 100644
--- a/src/setup-java.ts
+++ b/src/setup-java.ts
@@ -149,5 +149,5 @@ function getVersionFromFileContent(content: string, distributionName: string): s
 
 // By convention, action expects version 8 in the format `8.*` instead of `1.8`
 function avoidOldNotation(content: string): string {
-  return content.substring(0, 2) === '1.' ? content.substring(2) : content;
+  return content.startsWith('1.') ? content.substring(2) : content;
 }