diff --git a/CMakeLists.txt b/CMakeLists.txt
index 95e070f..1adc963 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,7 +46,7 @@ if(CXXOPTS_USE_UNICODE_HELP)
 
   pkg_check_modules(ICU REQUIRED icu-uc)
 
-  set(CXXOPTS_LINKER_LIBRARIES "${ICU_LIBRARIES}")
+  set(CXXOPTS_LINKER_LIBRARIES "${ICU_LDFLAGS}")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ICU_CFLAGS} -DCXXOPTS_USE_UNICODE")
 
 endif()