diff --git a/sf-stream/CMakeLists.txt b/sf-stream/CMakeLists.txt
index fafe832..ada511a 100644
--- a/sf-stream/CMakeLists.txt
+++ b/sf-stream/CMakeLists.txt
@@ -12,7 +12,8 @@ set_target_properties(sf-stream PROPERTIES OUTPUT_NAME sf_stream)
 target_link_libraries(sf-stream
         sf-stream-lib
         zmq
-        pthread)
+        pthread
+        rt)
 
 enable_testing()
 add_subdirectory(test/)