diff --git a/src/r6xx_accel.c b/src/r6xx_accel.c
index dd74d46..aeec560 100644
--- a/src/r6xx_accel.c
+++ b/src/r6xx_accel.c
@@ -1183,11 +1183,11 @@ r600_vb_get(ScrnInfoPtr pScrn)
     if (info->cs) {
 	if (accel_state->vb_bo == NULL) {
 	    accel_state->vb_mc_addr = 0;
-	    accel_state->vb_bo = radeon_bo_open(info->bufmgr, 0, 16 * 1024,
+	    accel_state->vb_bo = radeon_bo_open(info->bufmgr, 0, 32 * 1024,
 						0, RADEON_GEM_DOMAIN_GTT, 0);
 	    if (accel_state->vb_bo == NULL)
 		return FALSE;
-	    accel_state->vb_total = 16 * 1024;
+	    accel_state->vb_total = 32 * 1024;
 	}
 	if (!accel_state->vb_ptr) {
 	    ret = radeon_bo_map(accel_state->vb_bo, 1);