diff --git a/lib/jxl.cmake b/lib/jxl.cmake
--- a/lib/jxl.cmake
+++ b/lib/jxl.cmake
@@ -487,8 +487,8 @@ if (NOT WIN32)
   set_target_properties(jxl-static PROPERTIES OUTPUT_NAME "jxl")
   set_target_properties(jxl_dec-static PROPERTIES OUTPUT_NAME "jxl_dec")
 endif()
-install(TARGETS jxl-static DESTINATION ${CMAKE_INSTALL_LIBDIR})
-install(TARGETS jxl_dec-static DESTINATION ${CMAKE_INSTALL_LIBDIR})
+install(TARGETS jxl-static)
+install(TARGETS jxl_dec-static)
 
 if (((NOT DEFINED "${TARGET_SUPPORTS_SHARED_LIBS}") OR
      TARGET_SUPPORTS_SHARED_LIBS) AND NOT JPEGXL_STATIC)
@@ -548,8 +548,7 @@ endforeach()
 # Only install libjxl shared library. The libjxl_dec is not installed since it
 # contains symbols also in libjxl which would conflict if programs try to use
 # both.
-install(TARGETS jxl
-  DESTINATION ${CMAKE_INSTALL_LIBDIR})
+install(TARGETS jxl)
 else()
 add_library(jxl ALIAS jxl-static)
 add_library(jxl_dec ALIAS jxl_dec-static)
diff --git a/lib/jxl_threads.cmake b/lib/jxl_threads.cmake
--- a/lib/jxl_threads.cmake
+++ b/lib/jxl_threads.cmake
@@ -43,7 +43,7 @@ set_target_properties(${_target} PROPERTIES
 if (NOT WIN32)
   set_target_properties(${_target} PROPERTIES OUTPUT_NAME "jxl_threads")
 endif()
-install(TARGETS ${_target} DESTINATION ${CMAKE_INSTALL_LIBDIR})
+install(TARGETS ${_target})
 
 endfunction()