diff --git a/CMakeLists.txt b/CMakeLists.txt
index 897fe3d8..a2ca72e5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -426,7 +426,7 @@ if(BUILD_TESTING)
     target_link_libraries(multifile_test ${LIBS})
     add_test(NAME MultiFile_Test COMMAND multifile_test)
 
-    install(TARGETS test_module RUNTIME DESTINATION bin LIBRARY DESTINATION LIBDIR/chaiscript)
+    install(TARGETS test_module RUNTIME DESTINATION bin LIBRARY DESTINATION ${LIBDIR}/chaiscript)
   endif()
 endif()
 
@@ -439,7 +439,7 @@ if(BUILD_LIBFUZZ_TESTER)
 endif()
 
 
-install(TARGETS chai chaiscript_stdlib-${CHAI_VERSION} ${MODULES} RUNTIME DESTINATION bin LIBRARY DESTINATION LIBDIR/chaiscript)
+install(TARGETS chai chaiscript_stdlib-${CHAI_VERSION} ${MODULES} RUNTIME DESTINATION bin LIBRARY DESTINATION ${LIBDIR}/chaiscript)
 
 install(DIRECTORY include/chaiscript DESTINATION include
   PATTERN "*.hpp"
@@ -460,6 +460,6 @@ install(DIRECTORY samples DESTINATION share/chaiscript
 
 configure_file(contrib/pkgconfig/chaiscript.pc.in lib/pkgconfig/chaiscript.pc @ONLY)
 install(FILES "${chaiscript_BINARY_DIR}/lib/pkgconfig/chaiscript.pc"
-        DESTINATION LIBDIR/pkgconfig)
+        DESTINATION ${LIBDIR}/pkgconfig)