diff --git a/src/steps/os/macos.rs b/src/steps/os/macos.rs
index 74265557..d5ec6d77 100644
--- a/src/steps/os/macos.rs
+++ b/src/steps/os/macos.rs
@@ -38,7 +38,7 @@ pub fn run_brew_cask(ctx: &ExecutionContext) -> Result<()> {
         }
         args
     } else {
-        let mut args = vec!["cask", "upgrade"];
+        let mut args = vec!["upgrade", "--cask"];
         if config.brew_cask_greedy() {
             args.push("--greedy");
         }