diff --git a/src/globals.h b/src/globals.h
index 71d3433..c9e6d6c 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -380,6 +380,9 @@
 EXTERN guicolor_T cterm_normal_fg_gui_color INIT(= INVALCOLOR);
 EXTERN guicolor_T cterm_normal_bg_gui_color INIT(= INVALCOLOR);
 #endif
+#ifdef FEAT_TERMRESPONSE
+EXTERN int	is_mac_terminal INIT(= FALSE);  /* recognized Terminal.app */
+#endif
 
 #ifdef FEAT_AUTOCMD
 EXTERN int	autocmd_busy INIT(= FALSE);	/* Is apply_autocmds() busy? */
diff --git a/src/syntax.c b/src/syntax.c
index 534d2d2..d7c482d 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -7350,6 +7350,10 @@
 	    else
 		color = color_numbers_8[idx];
 	}
+	if (t_colors >= 256 && color == 15 && is_mac_terminal)
+	    /* Terminal.app has a bug: 15 is light grey. Use white
+	     * from the color cube instead. */
+	    color = 231;
     }
     return color;
 }
diff --git a/src/term.c b/src/term.c
index 07292bc..9925b0a 100644
--- a/src/term.c
+++ b/src/term.c
@@ -4557,7 +4557,10 @@
 			/* Mac Terminal.app sends 1;95;0 */
 			if (version == 95
 				&& STRNCMP(tp + extra - 2, "1;95;0c", 7) == 0)
+			{
 			    is_not_xterm = TRUE;
+			    is_mac_terminal = TRUE;
+			}
 
 			/* Gnome terminal sends 1;3801;0, 1;4402;0 or 1;2501;0.
 			 * xfce4-terminal sends 1;2802;0.
diff --git a/src/version.c b/src/version.c
index ab0d57d..1d21277 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1174,
+/**/
     1173,
 /**/
     1172,