diff --git a/codec/CMakeLists.txt b/codec/CMakeLists.txt
index 9e5b0eb2..2c0d6184 100644
--- a/codec/CMakeLists.txt
+++ b/codec/CMakeLists.txt
@@ -39,6 +39,8 @@ ENDIF(NOT BUILD_SHARED_LIBS)
 
 FIND_PACKAGE(TIFF REQUIRED)
 FIND_PACKAGE(PNG REQUIRED)
+INCLUDE_DIRECTORIES( ${PNG_INCLUDE_DIR} )
+INCLUDE_DIRECTORIES( ${TIFF_INCLUDE_DIR} )
 
 # Loop over all executables:
 FOREACH(exe j2k_to_image image_to_j2k j2k_dump)