diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0b6cbff243..1bd6d1a6c0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -283,7 +283,7 @@ if (CMAKE_CXX_PLATFORM_ID STREQUAL "emscripten")
             "SHELL:-sSINGLE_FILE=1"
             "SHELL:-sENVIRONMENT=web"
             "SHELL:-sERROR_ON_UNDEFINED_SYMBOLS=0"
-#            "SHELL:-sWASM_BIGINT=1"
+            "SHELL:-sWASM_BIGINT=1"
             "SHELL:-sSTACK_SIZE=196608"
            $<$<CONFIG:Debug>:SHELL:-sASSERTIONS=2>
             $<$<CONFIG:Debug>:SHELL:-sSAFE_HEAP=1>