diff --git a/src/os_win32.c b/src/os_win32.c
index f06227f..e6ffcba 100644
--- a/src/os_win32.c
+++ b/src/os_win32.c
@@ -213,6 +213,7 @@
 static int g_color_index_fg = 7;
 
 # ifdef FEAT_TERMGUICOLORS
+static int default_console_color_bg = 0x000000; // black
 static int default_console_color_fg = 0xc0c0c0; // white
 # endif
 
@@ -7878,6 +7879,13 @@
     store_console_fg_rgb = save_console_fg_rgb;
 
 # ifdef FEAT_TERMGUICOLORS
+    if (!USE_WT)
+    {
+	COLORREF bg;
+	bg = (COLORREF)csbi.ColorTable[g_color_index_bg];
+	bg = (GetRValue(bg) << 16) | (GetGValue(bg) << 8) | GetBValue(bg);
+	default_console_color_bg = bg;
+    }
     fg = (COLORREF)csbi.ColorTable[g_color_index_fg];
     fg = (GetRValue(fg) << 16) | (GetGValue(fg) << 8) | GetBValue(fg);
     default_console_color_fg = fg;
@@ -8160,11 +8168,20 @@
 	ctermbg = -1;
 	if (id > 0)
 	    syn_id2cterm_bg(id, &ctermfg, &ctermbg);
-	cterm_normal_bg_gui_color = guibg =
+	if (!USE_WT)
+	{
+	    guibg = ctermbg != -1 ? ctermtoxterm(ctermbg)
+						    : default_console_color_bg;
+	    cterm_normal_bg_gui_color = guibg;
+	    ctermbg = ctermbg < 0 ? 0 : ctermbg;
+	}
+	else
+	{
+	    cterm_normal_bg_gui_color = guibg =
 			    ctermbg != -1 ? ctermtoxterm(ctermbg) : INVALCOLOR;
-
-	if (ctermbg < 0)
-	    ctermbg = 0;
+	    if (ctermbg < 0)
+		ctermbg = 0;
+	}
     }
 
     *cterm_fg = ctermfg;