diff --git a/src/renderer/Metal.zig b/src/renderer/Metal.zig
index d328772df..9f7356d4b 100644
--- a/src/renderer/Metal.zig
+++ b/src/renderer/Metal.zig
@@ -1787,6 +1787,15 @@ pub fn updateCell(
             .emoji => .fg_color,
         };
 
+        // If this glyph doesn't have an advance, then we assume it is
+        // connected to the previous glyph (perhaps an unsafe assumption...)
+        // and offset by the cell width.
+        // Related: https://github.com/mitchellh/ghostty/issues/1046
+        const extra_offset: i32 = if (glyph.advance_x == 0)
+            @intCast(self.grid_metrics.cell_width)
+        else
+            0;
+
         self.cells.appendAssumeCapacity(.{
             .mode = mode,
             .grid_pos = .{ @as(f32, @floatFromInt(x)), @as(f32, @floatFromInt(y)) },
@@ -1795,7 +1804,7 @@ pub fn updateCell(
             .bg_color = bg,
             .glyph_pos = .{ glyph.atlas_x, glyph.atlas_y },
             .glyph_size = .{ glyph.width, glyph.height },
-            .glyph_offset = .{ glyph.offset_x, glyph.offset_y },
+            .glyph_offset = .{ glyph.offset_x + extra_offset, glyph.offset_y },
         });
     }