diff --git a/fizz/CMakeLists.txt b/fizz/CMakeLists.txt
index 85ddfe42dc0..7132834ac9f 100644
--- a/fizz/CMakeLists.txt
+++ b/fizz/CMakeLists.txt
@@ -39,11 +39,11 @@ set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 set(INCLUDE_INSTALL_DIR include CACHE STRING
     "The subdirectory where header files should be installed")
-set(LIB_INSTALL_DIR lib CACHE STRING
+set(LIB_INSTALL_DIR ${CMAKE_INSTALL_LIBDIR} CACHE STRING
     "The subdirectory where libraries should be installed")
 set(BIN_INSTALL_DIR bin CACHE STRING
     "The subdirectory where binaries should be installed")
-set(CMAKE_INSTALL_DIR lib/cmake/fizz CACHE STRING
+set(CMAKE_INSTALL_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/fizz CACHE STRING
     "The subdirectory where CMake package config files should be installed")
 
 find_package(folly CONFIG REQUIRED)