diff --git a/gradle/src/main/groovy/grails/views/gradle/AbstractGroovyTemplateCompileTask.groovy b/gradle/src/main/groovy/grails/views/gradle/AbstractGroovyTemplateCompileTask.groovy
index 7de82c8..9a8e3d9 100644
--- a/gradle/src/main/groovy/grails/views/gradle/AbstractGroovyTemplateCompileTask.groovy
+++ b/gradle/src/main/groovy/grails/views/gradle/AbstractGroovyTemplateCompileTask.groovy
@@ -80,7 +80,7 @@ abstract class AbstractGroovyTemplateCompileTask extends AbstractCompile {
                     @Override
                     @CompileDynamic
                     void execute(JavaExecSpec javaExecSpec) {
-                        javaExecSpec.setMain(getCompilerName())
+                        javaExecSpec.getMainClass().set(getCompilerName())
                         javaExecSpec.setClasspath(getClasspath())
 
                         def jvmArgs = compileOptions.forkOptions.jvmArgs