diff --git a/kernel-output/README.md b/kernel-output/README.md
index fa6171e9..ebe649e0 100644
--- a/kernel-output/README.md
+++ b/kernel-output/README.md
@@ -240,16 +240,12 @@ to be executed by the kernel. Then you will send it to your panel for execution
 and display:
 
 ```ts
-// src/index.ts#L78-L98
+// src/index.ts#L78-L102
 
 commands.addCommand(CommandIDs.execute, {
   label: trans.__('Contact Kernel and Execute Code'),
   caption: trans.__('Contact Kernel and Execute Code'),
   execute: async () => {
-    // Create the panel if it does not exist
-    if (!panel) {
-      await createPanel();
-    }
     // Prompt the user about the statement to be executed
     const input = await InputDialog.getText({
       title: trans.__('Code to execute'),
@@ -259,7 +255,15 @@ commands.addCommand(CommandIDs.execute, {
     // Execute the statement
     if (input.button.accept) {
       const code = input.value || '';
-      panel.execute(code);
+      if (!panel) {
+        // Create the panel if it does not exist
+        createPanel().then(async panel => {
+          await panel.session.ready;
+          panel.execute(code);
+        });
+      } else {
+        panel.execute(code);
+      }
     }
   }
 });
diff --git a/kernel-output/src/index.ts b/kernel-output/src/index.ts
index cf4ff35c..56ea23e2 100644
--- a/kernel-output/src/index.ts
+++ b/kernel-output/src/index.ts
@@ -79,10 +79,6 @@ function activate(
     label: trans.__('Contact Kernel and Execute Code'),
     caption: trans.__('Contact Kernel and Execute Code'),
     execute: async () => {
-      // Create the panel if it does not exist
-      if (!panel) {
-        await createPanel();
-      }
       // Prompt the user about the statement to be executed
       const input = await InputDialog.getText({
         title: trans.__('Code to execute'),
@@ -92,7 +88,15 @@ function activate(
       // Execute the statement
       if (input.button.accept) {
         const code = input.value || '';
-        panel.execute(code);
+        if (!panel) {
+          // Create the panel if it does not exist
+          createPanel().then(async panel => {
+            await panel.session.ready;
+            panel.execute(code);
+          });
+        } else {
+          panel.execute(code);
+        }
       }
     }
   });