diff --git a/plugin/src/CMakeLists.txt b/plugin/src/CMakeLists.txt
index 5995ea8f..f432ff6c 100644
--- a/plugin/src/CMakeLists.txt
+++ b/plugin/src/CMakeLists.txt
@@ -2,8 +2,9 @@ cmake_minimum_required(VERSION 2.6)
 FILE(GLOB SRC *.cpp *.h)
 FILE(GLOB HEADERS ../include/transport/*.h)
 
-ADD_LIBRARY(transport-plugin SHARED ${HEADERS} ${SRC} ${PROTOBUF_SRC} ${PROTOBUF_HDRS} ../../src/memoryusage.cpp ../../include/transport/protocol.pb.cc)
+ADD_LIBRARY(transport-plugin SHARED ${HEADERS} ${SRC} ${PROTOBUF_SRC} ${PROTOBUF_HDRS} ../../src/memoryusage.cpp ${CMAKE_CURRENT_BINARY_DIR}/../../include/transport/protocol.pb.cc)
 ADD_DEPENDENCIES(transport-plugin pb)
+SET_SOURCE_FILES_PROPERTIES(${CMAKE_CURRENT_BINARY_DIR}/../../include/transport/protocol.pb.cc PROPERTIES GENERATED 1)
 ADD_DEFINITIONS(-fPIC)
 
 TARGET_LINK_LIBRARIES(transport-plugin ${PROTOBUF_LIBRARIES} ${LOG4CXX_LIBRARIES})
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 291844f3..f3a9304d 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -18,7 +18,8 @@ include_directories(${POPT_INCLUDE_DIR})
 
 
 if (PROTOBUF_FOUND)
-    ADD_LIBRARY(transport SHARED ${HEADERS} ${SRC} ${SWIFTEN_SRC} ../include/transport/protocol.pb.cc)
+    ADD_LIBRARY(transport SHARED ${HEADERS} ${SRC} ${SWIFTEN_SRC} ${CMAKE_CURRENT_BINARY_DIR}/../include/transport/protocol.pb.cc)
+	SET_SOURCE_FILES_PROPERTIES(${CMAKE_CURRENT_BINARY_DIR}/../include/transport/protocol.pb.cc PROPERTIES GENERATED 1)
     ADD_DEPENDENCIES(transport pb) 
 else()
     ADD_LIBRARY(transport SHARED ${HEADERS} ${SRC} ${SWIFTEN_SRC})