diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst
index d0d47bc8c7..21341d98c6 100644
--- a/DOCS/man/vo.rst
+++ b/DOCS/man/vo.rst
@@ -1098,7 +1098,7 @@ Available video output drivers are:
 
     ``3dlut-size=<r>x<g>x<b>``
         Size of the 3D LUT generated from the ICC profile in each dimension.
-        Default is 128x256x64.
+        Default is 64x64x64.
         Sizes must be a power of two, and 512 at most.
 
     ``icc-contrast=<0-100000>``
diff --git a/video/out/opengl/lcms.c b/video/out/opengl/lcms.c
index eaeb86fa8d..7cf2d42466 100644
--- a/video/out/opengl/lcms.c
+++ b/video/out/opengl/lcms.c
@@ -89,7 +89,7 @@ const struct m_sub_options mp_icc_conf = {
     },
     .size = sizeof(struct mp_icc_opts),
     .defaults = &(const struct mp_icc_opts) {
-        .size_str = "128x256x64",
+        .size_str = "64x64x64",
         .intent = INTENT_RELATIVE_COLORIMETRIC,
     },
 };