diff --git a/src/main/groovy/org/grails/compiler/scaffolding/ScaffoldingControllerInjector.groovy b/src/main/groovy/org/grails/compiler/scaffolding/ScaffoldingControllerInjector.groovy
index b44e53b..f0727d9 100644
--- a/src/main/groovy/org/grails/compiler/scaffolding/ScaffoldingControllerInjector.groovy
+++ b/src/main/groovy/org/grails/compiler/scaffolding/ScaffoldingControllerInjector.groovy
@@ -67,7 +67,7 @@ class ScaffoldingControllerInjector implements GrailsArtefactClassInjector {
                     }
                 }
                 classNode.setSuperClass(GrailsASTUtils.nonGeneric(superClassNode, domainClass))
-                def readOnlyExpression = (ConstantExpression) annotationNode.getMember("readOnly")
+                def readOnlyExpression = (ConstantExpression) annotationNode?.getMember("readOnly")
                 new ResourceTransform().addConstructor(classNode, domainClass, readOnlyExpression?.getValue()?.asBoolean()?:false)
             } else if (!currentSuperClass.isDerivedFrom(superClassNode)) {
                GrailsASTUtils.error(source, classNode, "Scaffolded controllers (${classNode.name}) cannot extend other classes: ${currentSuperClass.getName()}", true)