diff --git a/templates/xcode.pkr.hcl b/templates/xcode.pkr.hcl
index fb0a7a1..866381d 100644
--- a/templates/xcode.pkr.hcl
+++ b/templates/xcode.pkr.hcl
@@ -167,12 +167,16 @@ build {
     }
   }
 
-  provisioner "shell" {
-    inline = [
-      "source ~/.zprofile",
-      "sudo xcodes select '${var.xcode_version[1]}'",
-      "xcodebuild -downloadAllPlatforms",
-    ]
+  dynamic "provisioner" {
+    for_each = length(var.xcode_version) > 1 ? [1] : []
+    labels = ["shell"]
+    content {
+      inline = [
+        "source ~/.zprofile",
+        "sudo xcodes select '${var.xcode_version[1]}'",
+        "xcodebuild -downloadAllPlatforms",
+      ]
+    }
   }
 
   provisioner "shell" {