diff --git a/src/model.ts b/src/model.ts
index 78fcf7c3..c3f7f743 100644
--- a/src/model.ts
+++ b/src/model.ts
@@ -583,6 +583,9 @@ class InputModel {
     uiSubmitCommand() : void {
         mobx.action(() => {
             let commandStr = this.getCurLine();
+            if (commandStr.trim() == "") {
+                return;
+            }
             this.clearCurLine();
             GlobalModel.clearInfoMsg(true);
             GlobalModel.submitRawCommand(commandStr, true);
diff --git a/src/types.ts b/src/types.ts
index f810e1ea..3d8a40d1 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -127,6 +127,8 @@ type HistoryItem = {
     cmdid : string,
     cmdstr : string,
     remove : boolean,
+    remote : RemotePtrType,
+    ismetacmd : boolean,
 };
 
 type CmdRemoteStateType = {