diff --git a/internal/app/imagedup/files_test.go b/internal/app/imagedup/files_test.go
index 7b271c7..87137ad 100644
--- a/internal/app/imagedup/files_test.go
+++ b/internal/app/imagedup/files_test.go
@@ -19,7 +19,7 @@ func TestStreamFiles(t *testing.T) {
 	t.Parallel()
 
 	var cacheFile = "TestStreamFiles"
-	var id, err = NewImageDup("TestStreamFiles", cacheFile, 2, 10, true)
+	var id, err = NewImageDup("TestStreamFiles", cacheFile, 2, 3, 10, true)
 	assert.NoError(t, err)
 
 	var done = make(chan struct{})
@@ -48,7 +48,7 @@ func TestStreamFilesCancel(t *testing.T) {
 	t.Parallel()
 
 	var cacheFile = "TestStreamFiles"
-	var id, err = NewImageDup("TestStreamFilesCancel", cacheFile, 2, 10, true)
+	var id, err = NewImageDup("TestStreamFilesCancel", cacheFile, 2, 3, 10, true)
 	assert.NoError(t, err)
 
 	var done = make(chan struct{})
diff --git a/internal/app/imagedup/hash/cache_test.go b/internal/app/imagedup/hash/cache_test.go
index 4a51b52..1e2a48d 100644
--- a/internal/app/imagedup/hash/cache_test.go
+++ b/internal/app/imagedup/hash/cache_test.go
@@ -13,7 +13,7 @@ func TestCache(t *testing.T) {
 
 	var cacheFile = "testcache.json"
 
-	var cache, err = NewCache(cacheFile, "TestCache")
+	var cache, err = NewCache(cacheFile, "TestCache", 3)
 	assert.NoError(t, err)
 
 	files, err := path.ListFiles("../testimages")
@@ -34,7 +34,7 @@ func TestCache(t *testing.T) {
 	assert.NoError(t, err)
 
 	// do it again
-	cache, err = NewCache(cacheFile, "TestCache2")
+	cache, err = NewCache(cacheFile, "TestCache2", 3)
 	assert.NoError(t, err)
 	numImages, _ = cache.Stats()
 	assert.Equal(t, 3, numImages)
diff --git a/internal/app/imagedup/hash/differ_test.go b/internal/app/imagedup/hash/differ_test.go
index 11e745e..77d36f5 100644
--- a/internal/app/imagedup/hash/differ_test.go
+++ b/internal/app/imagedup/hash/differ_test.go
@@ -16,7 +16,7 @@ func TestDiffer(t *testing.T) {
 	var cacheFile = "testdiffer.json"
 	var inputImages = make(chan types.Pair)
 
-	var cache, err = NewCache(cacheFile, "testdiffer")
+	var cache, err = NewCache(cacheFile, "testdiffer", 3)
 	assert.NoError(t, err)
 
 	var differ = NewDiffer(2, 10, inputImages, cache, "testdiffer")
diff --git a/internal/app/imagedup/main_test.go b/internal/app/imagedup/main_test.go
index 60fb870..245926c 100644
--- a/internal/app/imagedup/main_test.go
+++ b/internal/app/imagedup/main_test.go
@@ -15,7 +15,7 @@ func TestNewImageDup(t *testing.T) {
 
 	var cacheFile = "TestNewImageDup.json"
 
-	var dup, err = NewImageDup("TestNewImageDup", cacheFile, 2, 10, true)
+	var dup, err = NewImageDup("TestNewImageDup", cacheFile, 2, 3, 10, true)
 	assert.NoError(t, err)
 
 	files, err := path.ListFiles("./testimages")