diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8077a7c9c0b..6075f20dde2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -411,6 +411,7 @@ if(EMSCRIPTEN)
   target_link_libraries(binaryen_wasm "-sEXPORT_NAME=Binaryen")
   target_link_libraries(binaryen_wasm "-sNODERAWFS=0")
   target_link_libraries(binaryen_wasm "-sEXPORT_ES6")
+  target_link_libraries(binaryen_wasm "-sEXPORTED_RUNTIME_METHODS=allocateUTF8OnStack")
   target_link_libraries(binaryen_wasm "--post-js=${CMAKE_CURRENT_SOURCE_DIR}/src/js/binaryen.js-post.js")
   target_link_libraries(binaryen_wasm "--extern-pre-js=${CMAKE_CURRENT_SOURCE_DIR}/src/js/binaryen.js-extern-pre.js")
   target_link_libraries(binaryen_wasm "-msign-ext")
@@ -447,6 +448,7 @@ if(EMSCRIPTEN)
   else()
     target_link_libraries(binaryen_js "-sEXPORT_ES6=1")
   endif()
+  target_link_libraries(binaryen_js "-sEXPORTED_RUNTIME_METHODS=allocateUTF8OnStack")
   target_link_libraries(binaryen_js "--post-js=${CMAKE_CURRENT_SOURCE_DIR}/src/js/binaryen.js-post.js")
   # js_of_ocaml needs a specified variable with special comment to provide the library to consumers
   if(JS_OF_OCAML)