diff --git a/kitty/fonts.c b/kitty/fonts.c
index 7771fd7df..58e3dd10c 100644
--- a/kitty/fonts.c
+++ b/kitty/fonts.c
@@ -543,6 +543,7 @@ START_ALLOW_CASE_RANGE
         case 0xe0b0 ... 0xe0bf:  // powerline box drawing
         case 0x1fb00 ... 0x1fb8b:  // symbols for legacy computing
         case 0x1fba0 ... 0x1fbae:
+        case 0x1fb90:  // inverse medium shade
             return BOX_FONT;
         default:
             *is_emoji_presentation = has_emoji_presentation(cpu_cell, gpu_cell);
@@ -585,6 +586,9 @@ START_ALLOW_CASE_RANGE
             return 0x151 + ch - 0x1fba0;
         case 0x2800 ... 0x28ff:
             return 0x160 + ch - 0x2800;
+        case 0x1fb90:
+            //  Allocated to allow for 0x1fb8c ... 0x1fb94 eventually
+            return 0x25f + ch - 0x1fb8c;
         default:
             return 0xffff;
     }
diff --git a/kitty/fonts/box_drawing.py b/kitty/fonts/box_drawing.py
index 363ee8de9..d3e51a24f 100644
--- a/kitty/fonts/box_drawing.py
+++ b/kitty/fonts/box_drawing.py
@@ -865,6 +865,7 @@ box_chars: Dict[str, List[Callable[[BufType, int, int], Any]]] = {
     '░': [p(shade, light=True)],
     '▒': [shade],
     '▓': [p(shade, light=True, invert=True)],
+    '🮐': [p(shade, invert=True)],
     '▔': [p(eight_bar, horizontal=True)],
     '▕': [p(eight_bar, which=7)],
     '▖': [p(quad, y=1)],