diff --git a/include/wx/motif/icon.h b/include/wx/motif/icon.h
index 3ac1eb4450..c79cb7bb11 100644
--- a/include/wx/motif/icon.h
+++ b/include/wx/motif/icon.h
@@ -48,6 +48,7 @@ public:
   wxIcon(const char bits[], int width, int height);
 
   // Initialize with XPM data
+  wxIcon(const char **data);
   wxIcon(char **data);
 
   wxIcon(const wxString& name, long flags = wxBITMAP_TYPE_XPM,
diff --git a/src/motif/icon.cpp b/src/motif/icon.cpp
index fb9802ebfa..96905576b3 100644
--- a/src/motif/icon.cpp
+++ b/src/motif/icon.cpp
@@ -49,6 +49,11 @@ wxIcon::wxIcon(char **data)
     (void) Create((void*) data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0);
 }
 
+wxIcon::wxIcon(const char **data)
+{
+    (void) Create((void*) data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0);
+}
+
 wxIcon::wxIcon(const wxString& icon_file, long flags,
                int desiredWidth, int desiredHeight)