diff --git a/devtools/client/webconsole/test/browser/browser.ini b/devtools/client/webconsole/test/browser/browser.ini
index aa98373f5fe7..7c187121077e 100644
--- a/devtools/client/webconsole/test/browser/browser.ini
+++ b/devtools/client/webconsole/test/browser/browser.ini
@@ -207,6 +207,7 @@ skip-if = verify
 [browser_jsterm_autocomplete_will_navigate.js]
 [browser_jsterm_autocomplete-properties-with-non-alphanumeric-names.js]
 [browser_jsterm_await_assignments.js]
+[browser_jsterm_await_concurrent_same_result.js]
 [browser_jsterm_await_concurrent.js]
 [browser_jsterm_await_dynamic_import.js]
 [browser_jsterm_await_error.js]
diff --git a/devtools/client/webconsole/test/browser/browser_jsterm_await_concurrent_same_result.js b/devtools/client/webconsole/test/browser/browser_jsterm_await_concurrent_same_result.js
new file mode 100644
index 000000000000..bd32882852ec
--- /dev/null
+++ b/devtools/client/webconsole/test/browser/browser_jsterm_await_concurrent_same_result.js
@@ -0,0 +1,41 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Test that hitting Ctrl + E does toggle the editor mode.
+// See https://bugzilla.mozilla.org/show_bug.cgi?id=1519105
+
+"use strict";
+
+const TEST_URI =
+  "data:text/html;charset=utf-8,Test concurrent top-level await expressions returning same value";
+
+add_task(async function() {
+  // Enable editor mode as we'll be able to quicly trigger multiple evaluations.
+  await pushPref("devtools.webconsole.features.editor", true);
+  await pushPref("devtools.webconsole.input.editor", true);
+
+  const hud = await openNewTabAndConsole(TEST_URI);
+  setInputValue(
+    hud,
+    `await new Promise(res => setTimeout(() => res("foo"), 5000))`
+  );
+
+  info("Evaluate the expression 3 times in a row");
+  const executeButton = hud.ui.outputNode.querySelector(
+    ".webconsole-editor-toolbar-executeButton"
+  );
+
+  executeButton.click();
+  executeButton.click();
+  executeButton.click();
+
+  await waitFor(
+    () => findMessages(hud, "foo", ".result").length === 3,
+    "Waiting for all results to be printed in console",
+    1000
+  );
+  ok(true, "There are as many results as commands");
+
+  Services.prefs.clearUserPref("devtools.webconsole.features.editor");
+  Services.prefs.clearUserPref("devtools.webconsole.input.editor");
+});
diff --git a/devtools/client/webconsole/utils/messages.js b/devtools/client/webconsole/utils/messages.js
index 408d7cca05d7..3d1b4e167bc4 100644
--- a/devtools/client/webconsole/utils/messages.js
+++ b/devtools/client/webconsole/utils/messages.js
@@ -405,6 +405,7 @@ function transformEvaluationResultPacket(packet) {
     timeStamp,
     notes,
     private: packet.private,
+    allowRepeating: false,
   });
 }