diff --git a/mmss-protocol/CMakeLists.txt b/mmss-protocol/CMakeLists.txt
index 6f08b21..dd670f3 100644
--- a/mmss-protocol/CMakeLists.txt
+++ b/mmss-protocol/CMakeLists.txt
@@ -3,4 +3,4 @@ include_directories(${GMRF_SOURCE_DIR}/include)
 add_library(mmss_protocol STATIC
   mmss_protocol.c
 )
-set_target_properties(mmss_protocol PROPERTIES COMPILE_FLAGS "-fPIC")
+set_target_properties(mmss_protocol PROPERTIES POSITION_INDEPENDENT_CODE 1)