diff --git a/CHANGELOG b/CHANGELOG
index 77e22f09c..b1f2d00a7 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
 Version 23.08.4
     * Fix crash when starting new session after crash (BUG: 408701)
     * Fix Startpage search engine default configuration (BUG: 419530)
+    * CLI option "--help-all" now works (BUG: 477492)
 
 Version 23.08.0
     * A bit faster restoring of session with a lot of tabs
diff --git a/src/lib/app/commandlineoptions.cpp b/src/lib/app/commandlineoptions.cpp
index e09847ad8..456336abe 100644
--- a/src/lib/app/commandlineoptions.cpp
+++ b/src/lib/app/commandlineoptions.cpp
@@ -106,6 +106,10 @@ void CommandLineOptions::parseActions()
         parser.showHelp();
     }
 
+    if (parser.isSet(QSL("help-all"))) {
+        parser.process({QSL("falkon"), QSL("--help-all")});
+    }
+
     if (parser.isSet(versionOption)) {
         parser.showVersion();
     }