diff --git a/grails-docs/src/main/groovy/grails/doc/gradle/PublishGuide.groovy b/grails-docs/src/main/groovy/grails/doc/gradle/PublishGuide.groovy
index cf45983aecd..4449a90cce6 100644
--- a/grails-docs/src/main/groovy/grails/doc/gradle/PublishGuide.groovy
+++ b/grails-docs/src/main/groovy/grails/doc/gradle/PublishGuide.groovy
@@ -32,7 +32,7 @@ class PublishGuide extends DefaultTask {
     @Input @Optional Boolean asciidoc = false
     @Input @Optional String sourceRepo
     @Input @Optional Properties properties = new Properties()
-    @Input @Nested Collection macros = []
+    @Input @Optional Collection macros = []
     @OutputDirectory File workDir = project.buildDir as File
 
     @TaskAction