diff --git a/src/mcp/cli/cli.py b/src/mcp/cli/cli.py
index 3e164d9f..f30529c2 100644
--- a/src/mcp/cli/cli.py
+++ b/src/mcp/cli/cli.py
@@ -373,7 +373,7 @@ def install(
         list[str],
         typer.Option(
             "--env-var",
-            "-e",
+            "-v",
             help="Environment variables in KEY=VALUE format",
         ),
     ] = [],