diff --git a/lib/get-files.js b/lib/get-files.js
index fa2ebdf..3ee2539 100644
--- a/lib/get-files.js
+++ b/lib/get-files.js
@@ -136,6 +136,8 @@ async function docker(path, {
   // convert all filenames into absolute paths
   const search = search_.map(file => asAbsolute(file, path))
 
+  const dockerIgnore = await maybeRead(resolve(path, '.dockerignore'), null)
+
   // compile list of ignored patterns and files
   const dockerIgnore = await maybeRead(resolve(path, '.dockerignore'), null)
 
diff --git a/test/index.js b/test/index.js
index 35686cc..afd49a4 100644
--- a/test/index.js
+++ b/test/index.js
@@ -87,6 +87,7 @@ test('hashes', async t => {
   const hashes = await hash(files)
   t.is(hashes.size, 3)
   const many = new Set(hashes.get('277c55a2042910b9fe706ad00859e008c1b7d172').names)
+  t.is(many.size, 2)
   t.is(many.has(prefix + 'hashes/dei.png'), true)
   t.is(many.has(prefix + 'hashes/duplicate/dei.png'), true)
   t.is(hashes.get('56c00d0466fc6bdd41b13dac5fc920cc30a63b45').names[0], prefix + 'hashes/index.js')