diff --git a/changelog b/changelog
--- a/changelog
+++ b/changelog
@@ -1,3 +1,8 @@
+zip-archive 0.4.2.2
+
+  * Use `command -v` before trying `which` in the test suite (#62).
+    `command` is a bash builtin, but for busybox we'll need `which`.
+
 zip-archive 0.4.2.1
 
   * Fix Windows build regression (#61).
diff --git a/tests/test-zip-archive.hs b/tests/test-zip-archive.hs
--- a/tests/test-zip-archive.hs
+++ b/tests/test-zip-archive.hs
@@ -1,11 +1,12 @@
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 {-# LANGUAGE CPP #-}
+{-# LANGUAGE ScopedTypeVariables #-}
 -- Test suite for Codec.Archive.Zip
 -- runghc Test.hs
 
 import Codec.Archive.Zip
 import Control.Monad (unless)
-import Control.Exception (try)
+import Control.Exception (try, catch, SomeException)
 import System.Directory hiding (isSymbolicLink)
 import Test.HUnit.Base
 import Test.HUnit.Text
@@ -51,7 +52,8 @@
 main :: IO Counts
 main = withTempDirectory "." "test-zip-archive." $ \tmpDir -> do
 #ifndef _WINDOWS
-  ec <- rawSystem "which" ["unzip"]
+  ec <- catch (rawSystem "command" ["-v", "unzip"])
+         (\(_ :: SomeException) -> rawSystem "which" ["unzip"])
   let unzipInPath = ec == ExitSuccess
   unless unzipInPath $
     putStrLn "\n\nunzip is not in path; skipping testArchiveAndUnzip\n"
diff --git a/zip-archive.cabal b/zip-archive.cabal
--- a/zip-archive.cabal
+++ b/zip-archive.cabal
@@ -1,5 +1,5 @@
 Name:                zip-archive
-Version:             0.4.2.1
+Version:             0.4.2.2
 Cabal-Version:       2.0
 Build-type:          Simple
 Synopsis:            Library for creating and modifying zip archives.