diff --git a/buildSrc/src/main/java/org/springframework/boot/build/AsciidoctorConventions.java b/buildSrc/src/main/java/org/springframework/boot/build/AsciidoctorConventions.java
index ba532d03b11..5a06d7bd930 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/AsciidoctorConventions.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/AsciidoctorConventions.java
@@ -156,7 +156,7 @@ class AsciidoctorConventions {
 
 	private String determineArtifactoryRepo(Project project) {
 		String version = project.getVersion().toString();
-		String type = version.substring(version.lastIndexOf('.'));
+		String type = version.substring(version.lastIndexOf('.') + 1);
 		if (type.equals("RELEASE")) {
 			return "release";
 		}