diff --git a/thermion_dart/native/web/CMakeLists.txt b/thermion_dart/native/web/CMakeLists.txt
index 3fb1dc21..7fe6cd4c 100644
--- a/thermion_dart/native/web/CMakeLists.txt
+++ b/thermion_dart/native/web/CMakeLists.txt
@@ -54,7 +54,7 @@ set(EMCC_CFLAGS ${EMCC_CFLAGS} -sSTACK_SIZE=10485760)
 # set(EMCC_CFLAGS ${EMCC_CFLAGS} -sLINKABLE=1)
 # set(EMCC_CFLAGS ${EMCC_CFLAGS} -sSIDE_MODULE)
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++ -std=c++17 -DEMSCRIPTEN_HAS_UNBOUND_TYPE_NAMES=1")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++ -std=c++17 -Wno-invalid-specialization -DEMSCRIPTEN_HAS_UNBOUND_TYPE_NAMES=1")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
 
 if(CMAKE_BUILD_TYPE STREQUAL "Debug")