diff --git a/targets/ARCH/LMSSDR/USERSPACE/LIB/Si5351C/CMakeLists.txt b/targets/ARCH/LMSSDR/USERSPACE/LIB/Si5351C/CMakeLists.txt
index 88a021ae00..c331185e17 100644
--- a/targets/ARCH/LMSSDR/USERSPACE/LIB/Si5351C/CMakeLists.txt
+++ b/targets/ARCH/LMSSDR/USERSPACE/LIB/Si5351C/CMakeLists.txt
@@ -2,7 +2,7 @@ set(si5351_src_files
 	Si5351C.cpp
 )
 set(CMAKE_CXX_FLAGS
-  "${CMAKE_CXX_FLAGS} ${C_FLAGS_PROCESSOR} -std=c++11 "
+  "${CMAKE_CXX_FLAGS} ${C_FLAGS_PROCESSOR} -std=c++11 -fPIC"
 )
 
 
diff --git a/targets/ARCH/LMSSDR/USERSPACE/LIB/lms7002m/CMakeLists.txt b/targets/ARCH/LMSSDR/USERSPACE/LIB/lms7002m/CMakeLists.txt
index cea22ac829..4613e9ce72 100644
--- a/targets/ARCH/LMSSDR/USERSPACE/LIB/lms7002m/CMakeLists.txt
+++ b/targets/ARCH/LMSSDR/USERSPACE/LIB/lms7002m/CMakeLists.txt
@@ -9,7 +9,7 @@ if(${CMAKE_MAJOR_VERSION} GREATER 2)
 endif()
 ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS)
 if(CMAKE_COMPILER_IS_GNUCXX)
-    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
+    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x -fPIC")
 endif()
 
 # set up include-directories