diff --git a/CMakeLists.txt b/CMakeLists.txt
index 86e8175f8..9c75c3210 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -216,7 +216,7 @@ set(CMAKE_C_FLAGS_MINSIZEREL "-Os -DNDEBUG")
 set(CMAKE_C_FLAGS_RELEASE "-O4 -DNDEBUG")
 set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g")
 
-set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--no-undefined -Wl,--fatal-warnings")
+set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--no-undefined -Wl,--fatal-warnings ${CMAKE_SHARED_LINKER_FLAGS}")
 
 # If no build type is set, pick a reasonable one
 if(NOT CMAKE_BUILD_TYPE)