diff --git a/src/font/face/coretext.zig b/src/font/face/coretext.zig
index 97508006f..f75a13d52 100644
--- a/src/font/face/coretext.zig
+++ b/src/font/face/coretext.zig
@@ -94,12 +94,13 @@ pub const Face = struct {
         // of the bitmap. We use the rounded up width/height of the bounding rect.
         var bounding: [1]macos.graphics.Rect = undefined;
         _ = self.font.getBoundingRectForGlyphs(.horizontal, &glyphs, &bounding);
-        const width = @floatToInt(u32, @ceil(bounding[0].size.width));
-        const height = @floatToInt(u32, @ceil(bounding[0].size.height));
+        const glyph_width = @floatToInt(u32, @ceil(bounding[0].size.width));
+        const width = @floatToInt(u32, self.metrics.cell_width);
+        const height = @floatToInt(u32, self.metrics.cell_height);
 
         // This bitmap is blank. I've seen it happen in a font, I don't know why.
         // If it is empty, we just return a valid glyph struct that does nothing.
-        if (width == 0 or height == 0) return font.Glyph{
+        if (glyph_width == 0) return font.Glyph{
             .width = 0,
             .height = 0,
             .offset_x = 0,
@@ -138,7 +139,7 @@ pub const Face = struct {
         ctx.setGrayStrokeColor(1, 1);
         ctx.setTextDrawingMode(.fill_stroke);
         ctx.setTextMatrix(macos.graphics.AffineTransform.identity());
-        ctx.setTextPosition(0, self.metrics.cell_height - self.metrics.cell_baseline);
+        ctx.setTextPosition(0, @intToFloat(f32, height) - self.metrics.cell_baseline);
 
         var pos = [_]macos.graphics.Point{.{ .x = 0, .y = 0 }};
         self.font.drawGlyphs(&glyphs, &pos, ctx);
@@ -150,7 +151,11 @@ pub const Face = struct {
             .width = width,
             .height = height,
             .offset_x = 0,
-            .offset_y = 0,
+
+            // Offset is full cell height because for CoreText we render
+            // an entire cell.
+            .offset_y = @floatToInt(i32, self.metrics.cell_height),
+
             .atlas_x = region.x,
             .atlas_y = region.y,
             .advance_x = @floatCast(f32, advances[0].width),