diff --git a/amaranth/vendor/_gowin.py b/amaranth/vendor/_gowin.py
index 41e8a9902..798d18c5e 100644
--- a/amaranth/vendor/_gowin.py
+++ b/amaranth/vendor/_gowin.py
@@ -448,7 +448,7 @@ def _osc_div(self):
         "{{name}}.sdc": r"""
         // {{autogenerated}}
         {% for signal, frequency in platform.iter_signal_clock_constraints() -%}
-            create_clock -name {{ "{" }}{{signal.name}}{{ "}" }} -period {{1000000000/frequency}} [get_nets {{signal|hierarchy("/")|tcl_quote}}]
+            create_clock -name {{ "{" }}{{signal.name}}{{ "}" }} -period {{1000000000/frequency}} [get_nets {{ "{" }}{{signal|hierarchy("/")}}{{ "}" }}]
         {% endfor %}
         {% for port, frequency in platform.iter_port_clock_constraints() -%}
             create_clock -name {{ "{" }}{{port.name}}{{ "}" }} -period {{1000000000/frequency}} [get_ports