diff --git a/CMake/otbIncludeDirectories.cmake b/CMake/otbIncludeDirectories.cmake
index 5aa99b87ae1cbec83d26e99c08c062f09b9aa490..c667371de87a90e6bb6c0454e3fcd9512bb81000 100644
--- a/CMake/otbIncludeDirectories.cmake
+++ b/CMake/otbIncludeDirectories.cmake
@@ -68,7 +68,7 @@ ELSE(OTB_USE_EXTERNAL_BOOST)
 ENDIF(OTB_USE_EXTERNAL_BOOST)
 
 SET(OTB_INCLUDE_DIRS_BUILD_TREE ${OTB_INCLUDE_DIRS_BUILD_TREE}
-    ${GDAL_INCLUDE_DIR} )
+    ${GDAL_INCLUDE_DIRS} )
 
 IF(WIN32)
   SET(OTB_INCLUDE_DIRS_BUILD_TREE ${OTB_INCLUDE_DIRS_BUILD_TREE}