diff --git a/plugins/impex/jp2/CMakeLists.txt b/plugins/impex/jp2/CMakeLists.txt
index 63bf879f8a..c9393f6cfa 100644
--- a/plugins/impex/jp2/CMakeLists.txt
+++ b/plugins/impex/jp2/CMakeLists.txt
@@ -1,31 +1,35 @@
 add_subdirectory(tests)
 
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenJPEG_CFLAGS}")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenJPEG_CFLAGS}")
+add_definitions(${OpenJPEG_DEFINITIONS})
+
 include_directories(SYSTEM ${OpenJPEG_INCLUDE_DIR})
 
 set(libkritaconverter_LIB_SRCS
     jp2_converter.cc
 )
 
 set(kritajp2import_SOURCES
     jp2_import.cc
     ${libkritaconverter_LIB_SRCS}
 )
 
 add_library(kritajp2import MODULE ${kritajp2import_SOURCES})
 
 target_link_libraries(kritajp2import kritaui ${OpenJPEG_LIBRARIES} )
 
 install(TARGETS kritajp2import DESTINATION ${KRITA_PLUGIN_INSTALL_DIR})
 
 #set(kritajp2export_SOURCES
 #    jp2_export.cc
 #    ${libkritaconverter_LIB_SRCS}
 #)
 #
 #ki18n_wrap_ui(kritajp2export_SOURCES kis_wdg_options_jp2.ui )
 #
 #add_library(kritajp2export MODULE ${kritajp2export_SOURCES})
 #
 #target_link_libraries(kritajp2export kritaui  ${OPENJPEG_LIBRARIES} )
 #install(TARGETS kritajp2export  DESTINATION ${KRITA_PLUGIN_INSTALL_DIR})
 install( PROGRAMS  krita_jp2.desktop  DESTINATION ${XDG_APPS_INSTALL_DIR})