diff --git a/setup b/setup
index 8f38fd9..b6df1cc 100755
--- a/setup
+++ b/setup
@@ -153,7 +153,7 @@ if [[ "$PREFIX" == *"com.termux"* ]]; then
     if node -e "require('@img/sharp-wasm32')" >/dev/null 2>&1; then
         log_ok "sharp-wasm já instalado"
     else
-        npm install --cpu=wasm32 @img/sharp-wasm32
+        npm_config_cpu=wasm32 npm install @img/sharp-wasm32
     fi
 fi