diff --git a/include/sta/Property.hh b/include/sta/Property.hh
index 698d1948..be06b272 100644
--- a/include/sta/Property.hh
+++ b/include/sta/Property.hh
@@ -79,6 +79,7 @@ public:
   Type type() const { return type_; }
   const Unit *unit() const { return unit_; }
 
+  const char *asString(const Network *network) const;
   const char *stringValue() const { return string_; }
   float floatValue() const { return float_; }
   bool boolValue() const { return bool_; }
diff --git a/search/Property.cc b/search/Property.cc
index 1dc6f0fd..89974166 100644
--- a/search/Property.cc
+++ b/search/Property.cc
@@ -576,6 +576,49 @@ PropertyValue::operator=(PropertyValue &&value)
   return *this;
 }
 
+const char *
+PropertyValue::asString(const Network *network) const
+{
+  switch (type_) {
+  case Type::type_string:
+    return string_;
+  case Type::type_float:
+    return unit_->asString(float_, 6);
+  case Type::type_bool:
+    // true/false would be better but these are TCL true/false values.
+    if (bool_)
+      return "1";
+    else
+      return "0";
+  case Type::type_liberty_library:
+    return liberty_library_->name();
+  case Type::type_liberty_cell:
+    return liberty_cell_->name();
+  case Type::type_liberty_port:
+    return liberty_port_->name();
+  case Type::type_library:
+    return network->name(library_);
+  case Type::type_cell:
+    return network->name(cell_);
+  case Type::type_port:
+    return network->name(port_);
+  case Type::type_instance:
+    return network->pathName(inst_);
+  case Type::type_pin:
+    return network->pathName(pin_);
+  case Type::type_net:
+    return network->pathName(net_);
+  case Type::type_clk:
+    return clk_->name();
+  case Type::type_none:
+  case Type::type_pins:
+  case Type::type_clks:
+  case Type::type_path_refs:
+  case Type::type_pwr_activity:
+    return nullptr;
+  }
+}
+
 ////////////////////////////////////////////////////////////////
 
 PropertyValue
diff --git a/tcl/StaTcl.i b/tcl/StaTcl.i
index 272251e1..26b9ac97 100644
--- a/tcl/StaTcl.i
+++ b/tcl/StaTcl.i
@@ -1175,7 +1175,7 @@ filter_pins(const char *property,
     bool not_match = stringEq(op, "!=");
     for (const Pin *pin : *pins) {
       PropertyValue value(getProperty(pin, property, sta));
-      const char *prop = value.stringValue();
+      const char *prop = value.asString(sta->sdcNetwork());
       if (prop &&
           ((exact_match && stringEq(prop, pattern))
            || (not_match && !stringEq(prop, pattern))