--- a/devtools/client/webconsole/new-console-output/selectors/messages.js
+++ b/devtools/client/webconsole/new-console-output/selectors/messages.js
@@ -123,30 +123,30 @@ function matchSearchFilters(message, fil
           functionName: frame.functionName ||
             l10n.getStr("stacktrace.anonymousFunction"),
           filename: frame.filename,
           lineNumber: frame.lineNumber,
           columnNumber: frame.columnNumber
         }))
     )
     // Look for a match in messageText.
-    || (message.messageText !== null
-          && message.messageText.toLocaleLowerCase().includes(text.toLocaleLowerCase()))
+    || (message.messageText &&
+          message.messageText.toLocaleLowerCase().includes(text.toLocaleLowerCase()))
     // Look for a match in parameters. Currently only checks value grips.
-    || (message.parameters !== null
-        && message.parameters.join("").toLocaleLowerCase()
-            .includes(text.toLocaleLowerCase()))
+    || (message.parameters &&
+        message.parameters.join("").toLocaleLowerCase()
+          .includes(text.toLocaleLowerCase()))
     // Look for a match in notes.
     || (Array.isArray(message.notes) && message.notes.some(note =>
           // Look for a match in location.
           isTextInFrame(text, note.frame)
           // Look for a match in messageBody.
-          || (note.messageBody !== null
-                && note.messageBody.toLocaleLowerCase()
-                     .includes(text.toLocaleLowerCase()))
+          || (note.messageBody &&
+                note.messageBody.toLocaleLowerCase()
+                  .includes(text.toLocaleLowerCase()))
         ))
   );
 }
 
 /**
  * Returns true if given text is included in provided stack frame.
  */
 function isTextInFrame(text, frame) {