diff --git a/backends/twitter/CMakeLists.txt b/backends/twitter/CMakeLists.txt
index 12ecb84a..68e4103f 100644
--- a/backends/twitter/CMakeLists.txt
+++ b/backends/twitter/CMakeLists.txt
@@ -2,7 +2,7 @@ include_directories (${libtransport_SOURCE_DIR}/backends/twitter/libtwitcurl)
 FILE(GLOB SRC *.cpp libtwitcurl/*.cpp Requests/*.cpp)
 add_executable(spectrum2_twitter_backend ${SRC})
 
-find_package(curl)
+find_package(CURL)
 
 if(CURL_FOUND)
 message(STATUS "Using curl ${CURL_VERSION_STRING}: ${CURL_INCLUDE_DIRS} ${CURL_LIBRARIES}")