diff --git a/imagelib/color_transfer.py b/imagelib/color_transfer.py
index b1882a1..4e2b99d 100644
--- a/imagelib/color_transfer.py
+++ b/imagelib/color_transfer.py
@@ -154,8 +154,8 @@ def random_color_transform(image, seed=None):
     image = image.dot(M)
     l, a, b = cv2.split(image)
     l = np.clip(l, 0, 100)
-    a = np.clip(a, 0, 100)
-    b = np.clip(b, 0, 100)
+    a = np.clip(a, -127, 127)
+    b = np.clip(b, -127, 127)
     image = cv2.merge([l, a, b])
     image = cv2.cvtColor(image.astype(np.float32), cv2.COLOR_LAB2BGR)
     np.clip(image, 0, 1, out=image)