diff --git a/web/script/build-wasm.sh b/web/script/build-wasm.sh
index 7ef3e53..3775664 100755
--- a/web/script/build-wasm.sh
+++ b/web/script/build-wasm.sh
@@ -20,6 +20,16 @@ if [[ "$1" == "--release" ]]; then
     echo -e "${YELLOW}Building in release mode${NC}"
 fi
 
+# macOS: ensure LLVM from Homebrew is available
+if [[ "$(uname)" == "Darwin" ]]; then
+    echo -e "${GREEN}Detected macOS, setting up LLVM...${NC}"
+    brew install llvm
+    LLVM_PATH=$(brew --prefix llvm)
+    export AR="${LLVM_PATH}/bin/llvm-ar"
+    export CC="${LLVM_PATH}/bin/clang"
+    echo -e "${GREEN}LLVM path: ${LLVM_PATH}${NC}"
+fi
+
 # Step 1: Build WASM
 echo -e "${GREEN}Step 1: Building WASM...${NC}"
 cd "$PROJECT_ROOT"