diff --git a/include/fmt/format.h b/include/fmt/format.h
index db398969..ac2e8df1 100644
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -943,7 +943,9 @@ inline size_t compute_width(string_view s) {
         (cp >= 0x20000 && cp <= 0x2fffd) ||  // CJK
         (cp >= 0x30000 && cp <= 0x3fffd) ||
         // Miscellaneous Symbols and Pictographs + Emoticons:
-        (cp >= 0x1f300 && cp <= 0x1f64f)));
+        (cp >= 0x1f300 && cp <= 0x1f64f) ||
+        // Supplemental Symbols and Pictographs:
+        (cp >= 0x1f900 && cp <= 0x1f9ff)));
   }
   return width;
 #else