diff --git a/include/wx/html/htmltag.h b/include/wx/html/htmltag.h
index b73ffc7441..92a93438a3 100644
--- a/include/wx/html/htmltag.h
+++ b/include/wx/html/htmltag.h
@@ -105,7 +105,8 @@ public:
     // (like sscanf() does)
     // NOTE: unlike scanf family, this function only accepts
     //       *one* parameter !
-    int ScanParam(const wxString& par, const wxChar *format, void *param) const;
+    int ScanParam(const wxString& par, const char *format, void *param) const;
+    int ScanParam(const wxString& par, const wchar_t *format, void *param) const;
 
     // Returns string containing all params.
     wxString GetAllParams() const;
diff --git a/src/html/htmltag.cpp b/src/html/htmltag.cpp
index ceb353297c..05b9c77a25 100644
--- a/src/html/htmltag.cpp
+++ b/src/html/htmltag.cpp
@@ -407,7 +407,15 @@ wxString wxHtmlTag::GetParam(const wxString& par, bool with_commas) const
 }
 
 int wxHtmlTag::ScanParam(const wxString& par,
-                         const wxChar *format,
+                         const char *format,
+                         void *param) const
+{
+    wxString parval = GetParam(par);
+    return wxSscanf(parval, format, param);
+}
+
+int wxHtmlTag::ScanParam(const wxString& par,
+                         const wchar_t *format,
                          void *param) const
 {
     wxString parval = GetParam(par);