diff --git a/include/wx/anidecod.h b/include/wx/anidecod.h
index bc048d3c85..ee5e719c2d 100644
--- a/include/wx/anidecod.h
+++ b/include/wx/anidecod.h
@@ -17,6 +17,7 @@
 #include "wx/stream.h"
 #include "wx/image.h"
 #include "wx/animdecod.h"
+#include "wx/dynarray.h"
 
 
 class /*WXDLLEXPORT*/ wxANIFrameInfo;
diff --git a/include/wx/gifdecod.h b/include/wx/gifdecod.h
index 0a1961d2f0..f1a754a227 100644
--- a/include/wx/gifdecod.h
+++ b/include/wx/gifdecod.h
@@ -18,6 +18,7 @@
 #include "wx/stream.h"
 #include "wx/image.h"
 #include "wx/animdecod.h"
+#include "wx/dynarray.h"
 
 // internal utility used to store a frame in 8bit-per-pixel format
 class GIFImage;