diff --git a/app/modules/prover/index.ts b/app/modules/prover/index.ts
index 3da0e1fb473d5380f828a873376e5ad048f0ccf3..6bf5ceef05f3db500be5391a32b155790374dbce 100644
--- a/app/modules/prover/index.ts
+++ b/app/modules/prover/index.ts
@@ -145,13 +145,13 @@ function generateAndSend(program:any, difficulty:string, server:Server, getGener
   return new Promise((resolve, reject) => {
     if (!program.submitLocal) {
       if (!program.submitHost) {
-        throw 'Option --submitHost is required.'
+        throw 'Option --submit-host is required.'
       }
       if (!program.submitPort) {
-        throw 'Option --submitPort is required.'
+        throw 'Option --submit-port is required.'
       }
       if (isNaN(parseInt(program.submitPort))) {
-        throw 'Option --submitPort must be a number.'
+        throw 'Option --submit-port must be a number.'
       }
     }
     async.waterfall([