diff --git a/test/fixtures/expected/overlay-offset-0.jpg b/test/fixtures/expected/overlay-offset-0.jpg
index e64b8e50..005dfa01 100644
Binary files a/test/fixtures/expected/overlay-offset-0.jpg and b/test/fixtures/expected/overlay-offset-0.jpg differ
diff --git a/test/fixtures/expected/overlay-offset-with-gravity-tile.jpg b/test/fixtures/expected/overlay-offset-with-gravity-tile.jpg
index fc059683..83a70052 100644
Binary files a/test/fixtures/expected/overlay-offset-with-gravity-tile.jpg and b/test/fixtures/expected/overlay-offset-with-gravity-tile.jpg differ
diff --git a/test/fixtures/expected/overlay-offset-with-gravity.jpg b/test/fixtures/expected/overlay-offset-with-gravity.jpg
index e217a345..ee7ac1f1 100644
Binary files a/test/fixtures/expected/overlay-offset-with-gravity.jpg and b/test/fixtures/expected/overlay-offset-with-gravity.jpg differ
diff --git a/test/fixtures/expected/overlay-offset-with-tile.jpg b/test/fixtures/expected/overlay-offset-with-tile.jpg
index fc059683..83a70052 100644
Binary files a/test/fixtures/expected/overlay-offset-with-tile.jpg and b/test/fixtures/expected/overlay-offset-with-tile.jpg differ
diff --git a/test/unit/composite.js b/test/unit/composite.js
index d5912f6a..d7e50e56 100644
--- a/test/unit/composite.js
+++ b/test/unit/composite.js
@@ -141,7 +141,7 @@ describe('composite', () => {
 
   it('zero offset', done => {
     sharp(fixtures.inputJpg)
-      .resize(400)
+      .resize(80)
       .composite([{
         input: fixtures.inputPngWithTransparency16bit,
         top: 0,
@@ -157,7 +157,7 @@ describe('composite', () => {
 
   it('offset and gravity', done => {
     sharp(fixtures.inputJpg)
-      .resize(400)
+      .resize(80)
       .composite([{
         input: fixtures.inputPngWithTransparency16bit,
         left: 10,
@@ -174,7 +174,7 @@ describe('composite', () => {
 
   it('offset, gravity and tile', done => {
     sharp(fixtures.inputJpg)
-      .resize(400)
+      .resize(80)
       .composite([{
         input: fixtures.inputPngWithTransparency16bit,
         left: 10,
@@ -192,7 +192,7 @@ describe('composite', () => {
 
   it('offset and tile', done => {
     sharp(fixtures.inputJpg)
-      .resize(400)
+      .resize(80)
       .composite([{
         input: fixtures.inputPngWithTransparency16bit,
         left: 10,