diff --git a/pywal/sequences.py b/pywal/sequences.py
index 1deecf6..313b093 100644
--- a/pywal/sequences.py
+++ b/pywal/sequences.py
@@ -7,7 +7,7 @@ from .settings import CACHE_DIR, OS
 from . import util
 
 
-def set_special(index, color, iterm_name):
+def set_special(index, color, iterm_name="g"):
     """Convert a hex color to a special sequence."""
     alpha = util.Color.alpha_num
 
@@ -45,7 +45,7 @@ def create_sequences(colors, vte):
 
     # Set a blank color that isn't affected by bold highlighting.
     # Used in wal.vim's airline theme.
-    sequences.append(set_color(66, colors["special"]["background"]))
+    sequences.append(set_color(66, colors["special"]["background"], "h"))
 
     # This escape sequence doesn"t work in VTE terminals.
     if not vte: