diff --git a/backends/twitter/CMakeLists.txt b/backends/twitter/CMakeLists.txt
index 68e4103fa74e79125a1c9de465097ecf5ac7a7f8..c7476cf305e7327788abe4a787445eb464fa1ee4 100644
--- a/backends/twitter/CMakeLists.txt
+++ b/backends/twitter/CMakeLists.txt
@@ -6,7 +6,7 @@ find_package(CURL)
 
 if(CURL_FOUND)
 message(STATUS "Using curl ${CURL_VERSION_STRING}: ${CURL_INCLUDE_DIRS} ${CURL_LIBRARIES}")
-include_directories (${CURL_INCLUDE_DIRS}) 
+include_directories (${CURL_INCLUDE_DIRS} ${JSONCPP_INCLUDE_DIRS})
 target_link_libraries(spectrum2_twitter_backend transport ${CURL_LIBRARIES} ${Boost_LIBRARIES} ${SWIFTEN_LIBRARY} ${LOG4CXX_LIBRARIES})
 else()
 message(FATAL_ERROR "curl not found")