diff --git a/core/build.gradle b/core/build.gradle
index 9393dfa7..9a3f6531 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -11,6 +11,7 @@ ext.codenarcPriority3Violations = 983   // progress ..
 ext.codenarcRuleSetFiles        = [ 'core/codenarc.groovy' ]
 ext.codenarcSources             = [ 'src/main', 'src/test' ]
 ext.codenarcReportType          = 'xml'
+ext.codenarcReportFile          = 'codenarc.xml'
 apply from: 'https://raw.github.com/evgeny-goldin/gradle-plugins/master/codenarc/CodeNarc.gradle'
 
 sourceCompatibility = 1.6