diff --git a/hadoop-maven-plugins/src/main/java/org/apache/hadoop/maven/plugin/versioninfo/VersionInfoMojo.java b/hadoop-maven-plugins/src/main/java/org/apache/hadoop/maven/plugin/versioninfo/VersionInfoMojo.java
index b6a45ecfb8f..906e5ad42fb 100644
--- a/hadoop-maven-plugins/src/main/java/org/apache/hadoop/maven/plugin/versioninfo/VersionInfoMojo.java
+++ b/hadoop-maven-plugins/src/main/java/org/apache/hadoop/maven/plugin/versioninfo/VersionInfoMojo.java
@@ -160,7 +160,7 @@ public class VersionInfoMojo extends AbstractMojo {
         if (index > -1) {
           res[0] = path.substring(0, index - 1);
           int branchIndex = index + "branches".length() + 1;
-          index = path.indexOf("/", branchIndex);
+          index = path.indexOf('/', branchIndex);
           if (index > -1) {
             res[1] = path.substring(branchIndex, index);
           } else {