diff --git a/main.nf b/main.nf
index c8e4530..f253b0d 100644
--- a/main.nf
+++ b/main.nf
@@ -689,7 +689,7 @@ workflow {
         master()
     }
     else {
-        error("Unknown workflow_type: ${params.workflow_type}. Valid options: main, demux, qc, pheniqs_conf")
+        error("Unknown workflow_type: ${params.workflow_type}. Valid options: master, demux, qc, pheniqs_conf")
     }
 }