diff --git a/src/bin/wx/OPJViewer/CMakeLists.txt b/src/bin/wx/OPJViewer/CMakeLists.txt
index 66cf01d2..65ef08a0 100644
--- a/src/bin/wx/OPJViewer/CMakeLists.txt
+++ b/src/bin/wx/OPJViewer/CMakeLists.txt
@@ -4,17 +4,13 @@ find_package(wxWidgets REQUIRED)
 include(${wxWidgets_USE_FILE})
 
 include_directories(
-  ${CMAKE_CURRENT_SOURCE_DIR}/../..
-  ${CMAKE_CURRENT_SOURCE_DIR}/..
   ${OPENJPEG_SOURCE_DIR}/src/lib
   ${OPENJPEG_SOURCE_DIR}/src/bin
   ${OPENJPEG_SOURCE_DIR}/src/lib/openjp2
   ${OPENJPEG_BINARY_DIR}/src/lib/openjp2 # opj_config.h and opj_config_private.h
   )
 
-# original flags:
-# -DUSE_JPWL -DwxUSE_LIBOPENJPEG -DwxUSE_GUI=1 -DOPJ_STATIC -DOPJ_HTMLABOUT -DOPJ_INICONFIG -DUSE_JPSEC -DOPJ_MANYFORMATS
-add_definitions(-DwxUSE_LIBOPENJPEG -DOPENJPEG_VERSION="1.5.0")
+add_definitions(-DwxUSE_LIBOPENJPEG -DOPENJPEG_VERSION="${OPENJPEG_VERSION}")
 set(OPJV_SRCS
   ${CMAKE_CURRENT_SOURCE_DIR}/source/imagjpeg2000.cpp
   ${CMAKE_CURRENT_SOURCE_DIR}/source/wxj2kparser.cpp
diff --git a/src/bin/wx/OPJViewer/source/OPJViewer.h b/src/bin/wx/OPJViewer/source/OPJViewer.h
index 0d49468a..11cee54e 100644
--- a/src/bin/wx/OPJViewer/source/OPJViewer.h
+++ b/src/bin/wx/OPJViewer/source/OPJViewer.h
@@ -106,8 +106,6 @@
 #include "wx/toolbar.h"
 #include "wx/artprov.h"
 
-#include "openjp2/openjpeg.h"
-
 //#include "imagj2k.h"
 //#include "imagjp2.h"
 //#include "imagmj2.h"
diff --git a/src/bin/wx/OPJViewer/source/imagjpeg2000.cpp b/src/bin/wx/OPJViewer/source/imagjpeg2000.cpp
index d9f89968..c12afa2e 100644
--- a/src/bin/wx/OPJViewer/source/imagjpeg2000.cpp
+++ b/src/bin/wx/OPJViewer/source/imagjpeg2000.cpp
@@ -56,8 +56,6 @@
     #include "wx/module.h"
 #endif
 
-#include "openjp2/openjpeg.h"
-
 #include "wx/filefn.h"
 #include "wx/wfstream.h"
 
diff --git a/src/bin/wx/OPJViewer/source/imagjpeg2000.h b/src/bin/wx/OPJViewer/source/imagjpeg2000.h
index 945bba5a..45457fdf 100644
--- a/src/bin/wx/OPJViewer/source/imagjpeg2000.h
+++ b/src/bin/wx/OPJViewer/source/imagjpeg2000.h
@@ -49,7 +49,8 @@
 #if wxUSE_LIBOPENJPEG
 
 #include "wx/image.h"
-#include "openjp2/openjpeg.h"
+#include "openmj2/openjpeg.h"
+#include "openmj2/event.h"
 #include "jp2/index.h"
 
 #define wxBITMAP_TYPE_JPEG2000	50