diff --git a/src/gallium/frontends/va/picture_av1.c b/src/gallium/frontends/va/picture_av1.c
index 970aa7c8d27..fed64a665c7 100644
--- a/src/gallium/frontends/va/picture_av1.c
+++ b/src/gallium/frontends/va/picture_av1.c
@@ -208,9 +208,9 @@ void vlVaHandlePictureParameterBufferAV1(vlVaDriver *drv, vlVaContext *context,
    context->desc.av1.picture_parameter.v_ac_delta_q = av1->v_ac_delta_q;
    context->desc.av1.picture_parameter.qmatrix_fields.using_qmatrix =
       av1->qmatrix_fields.bits.using_qmatrix;
-   context->desc.av1.picture_parameter.qmatrix_fields.qm_y = av1->qmatrix_fields.bits.qm_y | 0xf;
-   context->desc.av1.picture_parameter.qmatrix_fields.qm_u = av1->qmatrix_fields.bits.qm_u | 0xf;
-   context->desc.av1.picture_parameter.qmatrix_fields.qm_v = av1->qmatrix_fields.bits.qm_v | 0xf;
+   context->desc.av1.picture_parameter.qmatrix_fields.qm_y = av1->qmatrix_fields.bits.qm_y & 0xf;
+   context->desc.av1.picture_parameter.qmatrix_fields.qm_u = av1->qmatrix_fields.bits.qm_u & 0xf;
+   context->desc.av1.picture_parameter.qmatrix_fields.qm_v = av1->qmatrix_fields.bits.qm_v & 0xf;
 
    /* Segmentation Params */
    context->desc.av1.picture_parameter.seg_info.segment_info_fields.enabled =