diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 857aaaa3b..41b9ced3f 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -232,7 +232,8 @@ if (LIBCXX_ENABLE_STATIC)
     if (TARGET ${LIBCXX_CXX_ABI_LIBRARY})
       set(MERGE_ARCHIVES_ABI_TARGET "$<TARGET_LINKER_FILE:${LIBCXX_CXX_ABI_LIBRARY}>")
     else()
-      set(MERGE_ARCHIVES_ABI_TARGET "lib${LIBCXX_CXX_ABI_LIBRARY}.a")
+      set(MERGE_ARCHIVES_ABI_TARGET
+          "${CMAKE_STATIC_LIBRARY_PREFIX}${LIBCXX_CXX_ABI_LIBRARY}${CMAKE_STATIC_LIBRARY_SUFFIX}")
     endif()
     add_custom_command(TARGET cxx_static POST_BUILD
     COMMAND