diff --git a/hsim-a321neo/src/wasm/fadec_a320leap/build.sh b/hsim-a321neo/src/wasm/fadec_a320leap/build.sh
index ddbd8955..62e0e6f9 100755
--- a/hsim-a321neo/src/wasm/fadec_a320leap/build.sh
+++ b/hsim-a321neo/src/wasm/fadec_a320leap/build.sh
@@ -61,6 +61,11 @@ wasm-ld \
   --export malloc \
   --export free \
   --export __wasm_call_ctors \
+  --export mallinfo \
+  --export mchunkit_begin \
+  --export mchunkit_next \
+  --export get_pages_state \
+  --export mark_decommit_pages \
   --export-table \
   --gc-sections \
   -lc++ -lc++abi \
diff --git a/hsim-a321neo/src/wasm/fadec_a320pw/build.sh b/hsim-a321neo/src/wasm/fadec_a320pw/build.sh
index 9c7a5454..6b612239 100755
--- a/hsim-a321neo/src/wasm/fadec_a320pw/build.sh
+++ b/hsim-a321neo/src/wasm/fadec_a320pw/build.sh
@@ -61,6 +61,11 @@ wasm-ld \
   --export malloc \
   --export free \
   --export __wasm_call_ctors \
+  --export mallinfo \
+  --export mchunkit_begin \
+  --export mchunkit_next \
+  --export get_pages_state \
+  --export mark_decommit_pages \
   --export-table \
   --gc-sections \
   -lc++ -lc++abi \
diff --git a/hsim-a321neo/src/wasm/fbw_a320/build.sh b/hsim-a321neo/src/wasm/fbw_a320/build.sh
index 7e9c509c..0cc52b67 100755
--- a/hsim-a321neo/src/wasm/fbw_a320/build.sh
+++ b/hsim-a321neo/src/wasm/fbw_a320/build.sh
@@ -152,6 +152,11 @@ wasm-ld \
   --export malloc \
   --export free \
   --export __wasm_call_ctors \
+  --export mallinfo \
+  --export mchunkit_begin \
+  --export mchunkit_next \
+  --export get_pages_state \
+  --export mark_decommit_pages \
   --export-table \
   --gc-sections \
   ${WASMLD_ARGS} \