diff --git a/script/build-wasm b/script/build-wasm
index cc120f61..9f507687 100755
--- a/script/build-wasm
+++ b/script/build-wasm
@@ -18,6 +18,7 @@ docker run                          \
                                     \
   emcc                              \
   -s WASM=1                         \
+  -s TOTAL_MEMORY=33554432          \
   -s ALLOW_MEMORY_GROWTH            \
   -s MAIN_MODULE=1                  \
   -s EXPORT_ALL=1                   \