diff --git a/src/mbgl/text/glyph.cpp b/src/mbgl/text/glyph.cpp
index f02c710db..3dca03504 100644
--- a/src/mbgl/text/glyph.cpp
+++ b/src/mbgl/text/glyph.cpp
@@ -7,7 +7,7 @@ GlyphRange getGlyphRange(char32_t glyph) {
     unsigned start = (glyph/256) * 256;
     unsigned end = (start + 255);
     if (start > 65280) start = 65280;
-    if (end > 65533) end = 65533;
+    if (end > 65535) end = 65535;
     return { start, end };
 }