diff --git a/spectrum_manager/src/CMakeLists.txt b/spectrum_manager/src/CMakeLists.txt
index ac9f30f3..d4ba1874 100644
--- a/spectrum_manager/src/CMakeLists.txt
+++ b/spectrum_manager/src/CMakeLists.txt
@@ -2,7 +2,10 @@ cmake_minimum_required(VERSION 2.6)
 FILE(GLOB SRC *.cpp)
 
 ADD_EXECUTABLE(spectrum2_manager ${SRC} ../../src/config.cpp ../../src/util.cpp ${CMAKE_CURRENT_SOURCE_DIR}/../../include/transport/protocol.pb.cc)
-
+
+ADD_DEPENDENCIES(spectrum2_manager pb)
+SET_SOURCE_FILES_PROPERTIES(${CMAKE_CURRENT_SOURCE_DIR}/../../include/transport/protocol.pb.cc PROPERTIES GENERATED 1)
+
 target_link_libraries(spectrum2_manager ${SWIFTEN_LIBRARY} ${PROTOBUF_LIBRARIES})
 
 INSTALL(TARGETS spectrum2_manager RUNTIME DESTINATION bin)