diff --git a/CMakeLists.txt b/CMakeLists.txt
index 78c29c7487401d4cae884921b77024c92013b239..9ded7aba95726825ca300fd2ea97d8eca9924c0a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,10 @@
 cmake_minimum_required(VERSION 2.6)
 project(libtransport)
 
+if(NOT LIB_INSTALL_DIR)
+	set(LIB_INSTALL_DIR "lib")
+endif()
+
 set(CMAKE_MODULE_PATH "cmake_modules")
 
 set(cppunit_DIR "${CMAKE_SOURCE_DIR}/cmake_modules")
diff --git a/plugin/cpp/CMakeLists.txt b/plugin/cpp/CMakeLists.txt
index b41b3453bb54be6341eb3ef138a6816c2240ead3..e17b87a1252d1ac616bc6c2cc38100be123587f0 100644
--- a/plugin/cpp/CMakeLists.txt
+++ b/plugin/cpp/CMakeLists.txt
@@ -29,7 +29,7 @@ SET_TARGET_PROPERTIES(transport-plugin PROPERTIES
       VERSION ${TRANSPORT_VERSION} SOVERSION ${TRANSPORT_VERSION}
 )
 
-INSTALL(TARGETS transport-plugin LIBRARY DESTINATION lib ARCHIVE DESTINATION lib COMPONENT libraries)
+INSTALL(TARGETS transport-plugin LIBRARY DESTINATION ${LIB_INSTALL_DIR} ARCHIVE DESTINATION ${LIB_INSTALL_DIR} COMPONENT libraries)
 
 #CONFIGURE_FILE(transport.pc.in "${CMAKE_CURRENT_BINARY_DIR}/transport.pc")
 #INSTALL(FILES "${CMAKE_CURRENT_BINARY_DIR}/transport.pc" DESTINATION lib/pkgconfig)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 925ce5f4c4c7b5cf519b251fb0ca7f329b7c17f6..ae247e3436323cd8db0f422063484450d2e552eb 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -50,7 +50,7 @@ SET_TARGET_PROPERTIES(transport PROPERTIES
       VERSION ${TRANSPORT_VERSION} SOVERSION ${TRANSPORT_VERSION}
 )
 
-INSTALL(TARGETS transport LIBRARY DESTINATION lib ARCHIVE DESTINATION lib COMPONENT libraries)
+INSTALL(TARGETS transport LIBRARY DESTINATION ${LIB_INSTALL_DIR} ARCHIVE DESTINATION ${LIB_INSTALL_DIR} COMPONENT libraries)
 
 #CONFIGURE_FILE(transport.pc.in "${CMAKE_CURRENT_BINARY_DIR}/transport.pc")
 #INSTALL(FILES "${CMAKE_CURRENT_BINARY_DIR}/transport.pc" DESTINATION lib/pkgconfig)