diff --git a/lcapy/printing.py b/lcapy/printing.py
index 2715a2ce..0ffe1c20 100644
--- a/lcapy/printing.py
+++ b/lcapy/printing.py
@@ -345,7 +345,7 @@ def _print_Sequence(self, seq):
         s = prettyForm(*s.parens('{', '}', ifascii_nougly=True))
         return s
 
-    def _print_Symbol(self, expr):
+    def _print_Symbol(self, expr, bold_name=False):
 
         expr = sym.Symbol(canonical_name(expr.name))
         parts = expr.name.split('_')
@@ -355,7 +355,7 @@ def _print_Symbol(self, expr):
             # the subscripts.  Note, Sympy converts 'v_C1' into
             # 'v_C_1' so we need to clean up.
             expr.name = parts[0] + '_' + ''.join(parts[1:])
-        s = super(LcapyPrettyPrinter, self)._print_Symbol(expr)
+        s = super(LcapyPrettyPrinter, self)._print_Symbol(expr, bold_name)
         return s
 
     def _print_Piecewise(self, expr):