diff --git a/msgpack-config.cmake.in b/msgpack-config.cmake.in
index eef212a05..09102c6a4 100644
--- a/msgpack-config.cmake.in
+++ b/msgpack-config.cmake.in
@@ -2,7 +2,9 @@
 
 include(CMakeFindDependencyMacro)
 
-find_dependency(Boost REQUIRED)
+IF (@MSGPACK_USE_BOOST@)
+    find_dependency(Boost REQUIRED)
+ENDIF ()
 
 include("${CMAKE_CURRENT_LIST_DIR}/msgpackc-cxx-targets.cmake")