diff --git a/src/vid_voodoo_banshee_blitter.c b/src/vid_voodoo_banshee_blitter.c
index c04ea87..aa942b2 100644
--- a/src/vid_voodoo_banshee_blitter.c
+++ b/src/vid_voodoo_banshee_blitter.c
@@ -20,6 +20,7 @@
 #include "vid_voodoo.h"
 #include "vid_voodoo_common.h"
 #include "vid_voodoo_banshee_blitter.h"
+#include "vid_voodoo_render.h"
 
 #define COMMAND_CMD_MASK                         (0xf)
 #define COMMAND_CMD_NOP                          (0 << 0)
@@ -1181,6 +1182,7 @@ void voodoo_2d_reg_writel(voodoo_t *voodoo, uint32_t addr, uint32_t val)
 //                pclog("dstXY=%08x\n", val);
                 break;
                 case 0x70:
+                voodoo_wait_for_render_thread_idle(voodoo);
                 voodoo->banshee_blt.command = val;
                 voodoo->banshee_blt.rops[0] = val >> 24;
 //                pclog("command=%x %08x\n", voodoo->banshee_blt.command & COMMAND_CMD_MASK, val);