diff --git a/include/hal_core/netlist/gate_library/enums/gate_type_property.h b/include/hal_core/netlist/gate_library/enums/gate_type_property.h
index af06120f698..0188e8ff308 100644
--- a/include/hal_core/netlist/gate_library/enums/gate_type_property.h
+++ b/include/hal_core/netlist/gate_library/enums/gate_type_property.h
@@ -47,6 +47,7 @@ namespace hal
         pll,            /**< PLL gate type. **/
         oscillator,     /**< Oscillator gate type. **/
         scan,           /**< Scan gate type. **/
+        delay,          /**< Delay gate type. **/
         c_buffer,       /**< Buffer gate type. **/
         c_inverter,     /**< Inverter gate type. **/
         c_and,          /**< AND gate type. **/
@@ -66,4 +67,4 @@ namespace hal
 
     template<>
     std::map<GateTypeProperty, std::string> EnumStrings<GateTypeProperty>::data;
-}    // namespace hal
\ No newline at end of file
+}    // namespace hal
diff --git a/src/netlist/gate_library/enums/gate_type_property.cpp b/src/netlist/gate_library/enums/gate_type_property.cpp
index ff9eee9e8f3..f683d779351 100644
--- a/src/netlist/gate_library/enums/gate_type_property.cpp
+++ b/src/netlist/gate_library/enums/gate_type_property.cpp
@@ -18,6 +18,7 @@ namespace hal
                                                                                    {GateTypeProperty::pll, "pll"},
                                                                                    {GateTypeProperty::oscillator, "oscillator"},
                                                                                    {GateTypeProperty::scan, "scan"},
+                                                                                   {GateTypeProperty::delay, "delay"},
                                                                                    {GateTypeProperty::c_buffer, "c_buffer"},
                                                                                    {GateTypeProperty::c_inverter, "c_inverter"},
                                                                                    {GateTypeProperty::c_and, "c_and"},
@@ -33,4 +34,4 @@ namespace hal
                                                                                    {GateTypeProperty::c_half_adder, "c_half_adder"},
                                                                                    {GateTypeProperty::c_full_adder, "c_full_adder"},
                                                                                    {GateTypeProperty::c_lut, "c_lut"}};
-}
\ No newline at end of file
+}