diff --git a/include/wx/webview_chromium.h b/include/wx/webview_chromium.h
index 48f419d879..376e801fb7 100644
--- a/include/wx/webview_chromium.h
+++ b/include/wx/webview_chromium.h
@@ -111,7 +111,7 @@ public:
     virtual wxString GetSelectedSource() const override { return ""; }
     virtual void ClearSelection() override;
 
-    virtual bool RunScript(const wxString& javascript, wxString* output = nullptr) override;
+    virtual bool RunScript(const wxString& javascript, wxString* output = nullptr) const override;
 
     //Virtual Filesystem Support
     virtual void RegisterHandler(wxSharedPtr<wxWebViewHandler> handler) override;
diff --git a/src/common/webview_chromium.cpp b/src/common/webview_chromium.cpp
index 8df5b59457..ffdd56d210 100644
--- a/src/common/webview_chromium.cpp
+++ b/src/common/webview_chromium.cpp
@@ -574,7 +574,7 @@ void wxWebViewChromium::ClearSelection()
     RunScript(jsclear);
 }
 
-bool wxWebViewChromium::RunScript(const wxString& javascript, wxString* output)
+bool wxWebViewChromium::RunScript(const wxString& javascript, wxString* output) const
 {
     m_clientHandler->GetBrowser()->GetMainFrame()->ExecuteJavaScript(javascript.ToStdString(),
                                                                      "", 0);