diff --git a/CMakeLists.txt b/CMakeLists.txt
index fbae81a..56fa36c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -54,7 +54,7 @@ endif (SHARED)
 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
     if (EXISTS /usr/bin/mold)
         message(STATUS "Mold found, using as linker")
-        add_link_options(-fuse-ld=mold)
+        add_link_options(-fuse-ld=mold -flto)
     else ()
         add_link_options(-fuse-ld=lld)
     endif ()