diff --git a/jpwl/encoder/jpwlenc/image_to_j2k.dsp b/jpwl/encoder/jpwlenc/image_to_j2k.dsp
index 07e5a0a2..185a6fac 100644
--- a/jpwl/encoder/jpwlenc/image_to_j2k.dsp
+++ b/jpwl/encoder/jpwlenc/image_to_j2k.dsp
@@ -130,6 +130,10 @@ SOURCE=..\libopenjpeg\jpt.c
 # End Source File
 # Begin Source File
 
+SOURCE=..\libopenjpeg\jpw.c
+# End Source File
+# Begin Source File
+
 SOURCE=..\libopenjpeg\mct.c
 # End Source File
 # Begin Source File
@@ -146,6 +150,10 @@ SOURCE=..\libopenjpeg\raw.c
 # End Source File
 # Begin Source File
 
+SOURCE=..\libopenjpeg\rs.c
+# End Source File
+# Begin Source File
+
 SOURCE=..\libopenjpeg\t1.c
 # End Source File
 # Begin Source File