diff --git a/src/gallium/frontends/mediafoundation/encoder_capabilities.cpp b/src/gallium/frontends/mediafoundation/encoder_capabilities.cpp
index 5713faee23d..b8606400ce4 100644
--- a/src/gallium/frontends/mediafoundation/encoder_capabilities.cpp
+++ b/src/gallium/frontends/mediafoundation/encoder_capabilities.cpp
@@ -149,6 +149,7 @@ encoder_capabilities::initialize( pipe_screen *pScreen, pipe_video_profile video
    m_bHWSupportSliceModeMB = ( ( supportedSliceStructures & PIPE_VIDEO_CAP_SLICE_STRUCTURE_ARBITRARY_MACROBLOCKS ) != 0 );
    m_bHWSupportSliceModeBits = ( ( supportedSliceStructures & PIPE_VIDEO_CAP_SLICE_STRUCTURE_MAX_SLICE_SIZE ) != 0 );
    m_bHWSupportSliceModeMBRow = ( ( supportedSliceStructures & PIPE_VIDEO_CAP_SLICE_STRUCTURE_EQUAL_MULTI_ROWS ) != 0 );
+   m_bHWSupportSliceModeAuto = ( ( supportedSliceStructures & PIPE_VIDEO_CAP_SLICE_STRUCTURE_AUTO ) != 0 );
 
    m_TwoPassSupport.value =
       pScreen->get_video_param( pScreen, videoProfile, PIPE_VIDEO_ENTRYPOINT_ENCODE, PIPE_VIDEO_CAP_ENC_TWO_PASS );
diff --git a/src/gallium/frontends/mediafoundation/encoder_capabilities.h b/src/gallium/frontends/mediafoundation/encoder_capabilities.h
index 842c91ee4eb..161be9abb11 100644
--- a/src/gallium/frontends/mediafoundation/encoder_capabilities.h
+++ b/src/gallium/frontends/mediafoundation/encoder_capabilities.h
@@ -128,6 +128,7 @@ class encoder_capabilities
    bool m_bHWSupportSliceModeMB = false;
    bool m_bHWSupportSliceModeBits = false;
    bool m_bHWSupportSliceModeMBRow = false;
+   bool m_bHWSupportSliceModeAuto = false;
 
    // Two pass encode
    union pipe_enc_cap_two_pass m_TwoPassSupport = {};