diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 17e422b2..e58070f5 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -56,6 +56,7 @@ if(HAVE_CUNIT OR ENABLE_STATIC_LIB)
     COMPILE_FLAGS "${WARNCFLAGS}"
     VERSION ${LT_VERSION} SOVERSION ${LT_SOVERSION}
     ARCHIVE_OUTPUT_NAME nghttp2
+    ARCHIVE_OUTPUT_DIRECTORY static
   )
   target_compile_definitions(nghttp2_static PUBLIC "-DNGHTTP2_STATICLIB")
   if(ENABLE_STATIC_LIB)