diff --git a/CMakeLists.txt b/CMakeLists.txt
index cb095bed..be83caa5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -71,7 +71,7 @@ if(UNIX AND NOT APPLE)
     if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
         get_filename_component(LINKER_BIN ${CMAKE_LINKER} NAME)
             if(${LINKER_BIN} STREQUAL "ld")
-                set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--unresolved-symbols=report-all")
+                set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--unresolved-symbols=report-all")
             endif()
     endif()
 endif()