diff --git a/nix/build-all.py b/nix/build-all.py
index 5f2f2f0a79..c1087647d4 100644
--- a/nix/build-all.py
+++ b/nix/build-all.py
@@ -479,7 +479,7 @@ if platform.system() == "Darwin":
     ADDITIONAL_ARGS = [f"-mmacosx-version-min={TOOLSET}"] + ADDITIONAL_ARGS
 
 if "wasm" in flags:
-    ADDITIONAL_ARGS.extend(("-sWASM_BIGINT", "-fwasm-exceptions"))
+    ADDITIONAL_ARGS.extend(("-sWASM_BIGINT", "-fwasm-exceptions", "-lexceptions.js"))
 
 # If the linker supports GC sections, set it up to reduce binary file size
 # -fPIC is required for the shared libraries to work