diff --git a/agent/install.sh b/agent/install.sh
index 0c224bc..ccde5f4 100644
--- a/agent/install.sh
+++ b/agent/install.sh
@@ -84,22 +84,26 @@ fi
 
 info "Descargando agente desde ${DOWNLOAD_URL}..."
 DEST="${INSTALL_DIR}/usite-agent"
+TMP_DEST="/tmp/usite-agent-download-$$"
+
 if command -v curl &>/dev/null; then
-  HTTP_CODE=$(curl -fsSL --write-out "%{http_code}" "$DOWNLOAD_URL" -o "$DEST" 2>/tmp/curl_err) || {
+  curl -fsSL "$DOWNLOAD_URL" -o "$TMP_DEST" 2>/tmp/curl_err || {
     CURL_ERR=$(cat /tmp/curl_err 2>/dev/null)
-    error "No se pudo descargar (HTTP ${HTTP_CODE:-?}). ${CURL_ERR}\nVerifica: df -h ${INSTALL_DIR}"
+    rm -f "$TMP_DEST"
+    error "No se pudo descargar: ${CURL_ERR}"
   }
 elif command -v wget &>/dev/null; then
-  wget -q "$DOWNLOAD_URL" -O "$DEST" || error "No se pudo descargar con wget"
+  wget -q "$DOWNLOAD_URL" -O "$TMP_DEST" || { rm -f "$TMP_DEST"; error "No se pudo descargar con wget"; }
 else
   error "Se requiere curl o wget"
 fi
 
-# Verificar que el binario es un ejecutable válido
-if [[ ! -s "$DEST" ]]; then
-  error "El archivo descargado está vacío: ${DEST}"
+if [[ ! -s "$TMP_DEST" ]]; then
+  rm -f "$TMP_DEST"
+  error "El archivo descargado está vacío"
 fi
 
+mv "$TMP_DEST" "$DEST" || { cp "$TMP_DEST" "$DEST" && rm -f "$TMP_DEST"; } || error "No se pudo mover el binario a ${DEST}"
 chmod +x "$DEST"
 ok "Binario descargado ($(du -sh "$DEST" | cut -f1))"