diff --git a/crates/vite_global_cli/src/cli.rs b/crates/vite_global_cli/src/cli.rs
index 96423ce367..df1eec770a 100644
--- a/crates/vite_global_cli/src/cli.rs
+++ b/crates/vite_global_cli/src/cli.rs
@@ -145,8 +145,8 @@ pub enum Commands {
         #[arg(long)]
         save_catalog: bool,
 
-        /// Install globally (only when adding packages)
-        #[arg(short = 'g', long)]
+        /// Install globally (requires package names)
+        #[arg(short = 'g', long, requires = "packages")]
         global: bool,
 
         /// Node.js version to use for global installation (only with -g)
diff --git a/packages/cli/snap-tests-global/cli-helper-message/snap.txt b/packages/cli/snap-tests-global/cli-helper-message/snap.txt
index f5a046f346..62ef3c4a48 100644
--- a/packages/cli/snap-tests-global/cli-helper-message/snap.txt
+++ b/packages/cli/snap-tests-global/cli-helper-message/snap.txt
@@ -103,7 +103,7 @@ Options:
   --save-peer           Save to peerDependencies (only when adding packages)
   -O, --save-optional   Save to optionalDependencies (only when adding packages)
   --save-catalog        Save the new dependency to the default catalog (only when adding packages)
-  -g, --global          Install globally (only when adding packages)
+  -g, --global          Install globally (requires package names)
   --node <NODE>         Node.js version to use for global installation (only with -g)
   -h, --help            Print help
 
diff --git a/packages/cli/snap-tests-global/command-install-globally-no-args/package.json b/packages/cli/snap-tests-global/command-install-globally-no-args/package.json
new file mode 100644
index 0000000000..b337dd1ac0
--- /dev/null
+++ b/packages/cli/snap-tests-global/command-install-globally-no-args/package.json
@@ -0,0 +1,3 @@
+{
+  "name": "command-install-g-no-args"
+}
diff --git a/packages/cli/snap-tests-global/command-install-globally-no-args/snap.txt b/packages/cli/snap-tests-global/command-install-globally-no-args/snap.txt
new file mode 100644
index 0000000000..dee0a0ad54
--- /dev/null
+++ b/packages/cli/snap-tests-global/command-install-globally-no-args/snap.txt
@@ -0,0 +1,7 @@
+[2]> vp install -g # Should error when no packages provided
+error: the following required arguments were not provided:
+  <PACKAGES>...
+
+Usage: vp install --global <PACKAGES>... [-- <PASS_THROUGH_ARGS>...]
+
+For more information, try '--help'.
diff --git a/packages/cli/snap-tests-global/command-install-globally-no-args/steps.json b/packages/cli/snap-tests-global/command-install-globally-no-args/steps.json
new file mode 100644
index 0000000000..8d3374a47b
--- /dev/null
+++ b/packages/cli/snap-tests-global/command-install-globally-no-args/steps.json
@@ -0,0 +1,4 @@
+{
+  "env": {},
+  "commands": ["vp install -g # Should error when no packages provided"]
+}