diff --git a/CMakeLists.txt b/CMakeLists.txt
index 79f03f22..46200341 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -146,7 +146,7 @@ IF (MSGPACK_BUILD_TESTS)
 ENDIF ()
 
 IF (CMAKE_COMPILER_IS_GNUCC)
-	SET_PROPERTY (TARGET msgpack APPEND_STRING PROPERTY COMPILE_FLAGS -Wall )
+	SET_PROPERTY (TARGET msgpack APPEND_STRING PROPERTY COMPILE_FLAGS "-Wall -DPIC")
 	SET_PROPERTY (TARGET msgpack-static APPEND_STRING PROPERTY COMPILE_FLAGS -Wall )
 ENDIF ()
 IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")