diff --git a/CMakeLists.txt b/CMakeLists.txt
index a49e9b3..a9b4f0b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -107,7 +107,7 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
   add_compile_options(-bigobj)
 else ()
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
-  set(CMAKE_EXE_LINKER_FLAGS  "-rdynamic")
+  set(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -rdynamic")
 endif ()
 
 if(WIN32)
diff --git a/src/unittest/CMakeLists.txt b/src/unittest/CMakeLists.txt
index d0f3e9c..32a7537 100644
--- a/src/unittest/CMakeLists.txt
+++ b/src/unittest/CMakeLists.txt
@@ -13,7 +13,7 @@ set(SOURCES gtest_main.cc
             test2.cpp
             )
 
-set(CMAKE_EXE_LINKER_FLAGS  "-rdynamic")
+set(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -rdynamic")
 set(CMAKE_INSTALL_RPATH ./)
 
 add_executable(${PROJECT_NAME} ${SOURCES})