diff --git a/cmake/config.cmake b/cmake/config.cmake
index e4262581..37e3414a 100644
--- a/cmake/config.cmake
+++ b/cmake/config.cmake
@@ -28,3 +28,8 @@ endif()
 if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug" AND NOT EMSCRIPTEN)
     set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
 endif()
+
+if(EMSCRIPTEN)
+    add_compile_options(-pthread)
+    add_link_options(-pthread)
+endif()