diff --git a/src/include/86box/vid_svga.h b/src/include/86box/vid_svga.h
index 73c176742..776799e4b 100644
--- a/src/include/86box/vid_svga.h
+++ b/src/include/86box/vid_svga.h
@@ -154,6 +154,9 @@ typedef struct svga_t
 	/*Force CRTC to dword mode, regardless of CR14/CR17. Required for S3 enhanced mode*/
 	int force_dword_mode;
 
+	/*Force CRTC to legacy mode. Required for Voodoo Banshee/3 until there's a proper fix*/
+	int force_legacy_mode;
+
 	int remap_required;
 	uint32_t (*remap_func)(struct svga_t *svga, uint32_t in_addr);
 
diff --git a/src/include/86box/vid_svga_render_remap.h b/src/include/86box/vid_svga_render_remap.h
index c2e48f1b2..6fdcd2928 100644
--- a/src/include/86box/vid_svga_render_remap.h
+++ b/src/include/86box/vid_svga_render_remap.h
@@ -101,7 +101,7 @@ void svga_recalc_remap_func(svga_t *svga)
 {
         int func_nr;
         
-        if (svga->fb_only)
+        if (svga->fb_only || svga->force_legacy_mode)
                 func_nr = 0;
         else {
                 if (svga->force_dword_mode)
diff --git a/src/video/vid_voodoo_banshee.c b/src/video/vid_voodoo_banshee.c
index 04ccff237..a3ff5c164 100644
--- a/src/video/vid_voodoo_banshee.c
+++ b/src/video/vid_voodoo_banshee.c
@@ -485,9 +485,11 @@ static void banshee_recalctimings(svga_t *svga)
 //        banshee_log("svga->hdisp=%i\n", svga->hdisp);
 
 	svga->interlace = 0;
+	svga->force_legacy_mode = 0;
 
         if (banshee->vgaInit0 & VGAINIT0_EXTENDED_SHIFT_OUT)
         {
+		svga->force_legacy_mode = 1;
                 switch (VIDPROCCFG_DESKTOP_PIX_FORMAT)
                 {
                         case PIX_FORMAT_8:
@@ -664,7 +666,7 @@ static void banshee_ext_outl(uint16_t addr, uint32_t val, void *p)
                 banshee->vgaInit1 = val;
                 svga->write_bank = (val & 0x3ff) << 15;
                 svga->read_bank = ((val >> 10) & 0x3ff) << 15;
-		svga->packed_chain4 = !!(val && 0x00100000);
+		svga->packed_chain4 = !!(val & 0x00100000);
                 break;
 
                 case PLL_pllCtrl0: