diff --git a/build.xsh b/build.xsh
index de60ba7..3b88dad 100755
--- a/build.xsh
+++ b/build.xsh
@@ -17,7 +17,7 @@ parser = ArgumentParser("Build a box")
 parser.add_argument("--distro", "-d", help="Name of the distro/ folder")
 parser.add_argument("--version", "-v", help="Version of the distro to build")
 parser.add_argument("--build", "-b", help="Name of the target build, e.g. qemu.x86_64, virtualbox-iso.x86_64")
-parser.add_argument("--list", "-l", help="List all build targets")
+parser.add_argument("--list", "-l", help="List all build targets", action="store_true")
 parser.add_argument("--all", "-a", help="Build all applicable targets", action="store_true")
 parser.add_argument("--upload", "-u", help="Force doing uploads", action="store_true")
 parser.add_argument("--headless", help="Run builds headless", action="store_true")
@@ -54,21 +54,24 @@ def do_build(build):
     else:
         headless = "headless=false"
 
-    if args.upload:
-        if "VAGRANT_CLOUD_TOKEN" not in ${...}:
-            print("You need to set your cloud token")
-            sys.exit(1)
-        packer build -var @(headless) -var @(args.stamp) @(build.var_file) @(build.only) @(BASE / "sources")
+    if args.list:
+        print(f"Would build: {build.var_file}")
     else:
-        upload = "-except=upload"
-        # Skip building file if we already have built it
-        output = Path(__file__).parent / "output" / get_vagrant_provider(build.provider.name) / f"{build.distro}-{build.version}-{build.provider.arch}.box"
-        if output.exists():
-            print(f"Skipping {build} as box already exists")
+        if args.upload:
+            if "VAGRANT_CLOUD_TOKEN" not in ${...}:
+                print("You need to set your cloud token")
+                sys.exit(1)
+            packer build -var @(headless) -var @(args.stamp) @(build.var_file) @(build.only) @(BASE / "sources")
         else:
-            packer build -var @(headless) -var @(args.stamp) @(build.var_file) @(build.only) -except=upload @(BASE / "sources")
+            upload = "-except=upload"
+            # Skip building file if we already have built it
+            output = Path(__file__).parent / "output" / get_vagrant_provider(build.provider.name) / f"{build.distro}-{build.version}-{build.provider.arch}.box"
+            if output.exists():
+                print(f"Skipping {build} as box already exists")
+            else:
+                packer build -var @(headless) -var @(args.stamp) @(build.var_file) @(build.only) -except=upload @(BASE / "sources")
 
-if args.all or (args.distro and args.version and args.build):
+if args.all or args.list or (args.distro and args.version and args.build):
     process_all()
 else:
     print("Doing menu stuff")