diff --git a/include/wx/motif/dcmemory.h b/include/wx/motif/dcmemory.h
index 51b16b19c9..bde81607ca 100644
--- a/include/wx/motif/dcmemory.h
+++ b/include/wx/motif/dcmemory.h
@@ -34,7 +34,7 @@ public:
     wxBitmap& GetBitmap() const { return (wxBitmap&) m_bitmap; }
 
 private:
-    friend wxPaintDC;
+    friend class wxPaintDC;
 
     wxBitmap  m_bitmap;
 };
diff --git a/src/motif/dcclient.cpp b/src/motif/dcclient.cpp
index 81df528083..9fcfc8730a 100644
--- a/src/motif/dcclient.cpp
+++ b/src/motif/dcclient.cpp
@@ -323,7 +323,7 @@ void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCo
 
     wxCoord dx = xx1 - xxc;
     wxCoord dy = yy1 - yyc;
-    double radius = sqrt (dx * dx + dy * dy);
+    double radius = sqrt ((double)(dx * dx + dy * dy));
     wxCoord r = (wxCoord) radius;
 
     double radius1, radius2;