diff --git a/setup-alpine.sh b/setup-alpine.sh
index 93b5f1b..0fe0ffc 100644
--- a/setup-alpine.sh
+++ b/setup-alpine.sh
@@ -1,13 +1,13 @@
 #!/usr/bin/env sh
 
-wget "https://dl-cdn.alpinelinux.org/alpine/v3.21/releases/x86_64/alpine-virt-3.21.3-x86_64.iso" alpine.iso
-
-if [ -f /dev/sda && -f alpine.iso ]; then
-  dd if=alpine.iso of=/dev/sda
-elif [ -f /dev/vda -f alpine.iso ]; then
-  dd if=alpine.iso of=/dev/vda
-else
-  exit 1
+if [ wget "https://dl-cdn.alpinelinux.org/alpine/v3.21/releases/x86_64/alpine-virt-3.21.3-x86_64.iso" alpine.iso ]; then
+  if [ -f /dev/sda ]; then
+    dd if=alpine.iso of=/dev/sda
+  elif [ -f /dev/vda ]; then
+    dd if=alpine.iso of=/dev/vda
+  else
+    exit 1
+  fi
 fi
 
 reboot
\ No newline at end of file