diff --git a/build.gradle b/build.gradle
index 3dfb6227e9..15fb87227b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -70,8 +70,8 @@ ext {
 nexusPublishing {
 	repositories {
 		sonatype {
-			username = project.property( 'hibernatePublishUsername' )
-			password = project.property( 'hibernatePublishPassword' )
+			username = project.hasProperty( 'hibernatePublishUsername' ) ? project.property( 'hibernatePublishUsername' ) : null
+			password = project.hasProperty( 'hibernatePublishPassword' ) ? project.property( 'hibernatePublishPassword' ) : null
 		}
 	}
 }