diff --git a/src/oemof/solph/components/_offset_converter.py b/src/oemof/solph/components/_offset_converter.py
index 606b0f3ad..8369d8ded 100644
--- a/src/oemof/solph/components/_offset_converter.py
+++ b/src/oemof/solph/components/_offset_converter.py
@@ -245,9 +245,7 @@ def _relation_rule(block):
                             # `NonConvexFlow`.
                             try:
                                 expr += (
-                                    m.InvestNonConvexFlowBlock.status_nominal[
-                                        n, o, t
-                                    ]
+                                    m.InvestNonConvexFlowBlock.status[n, o, t]
                                     * n.coefficients[0][t]
                                 )
                             # `KeyError` occurs when more than one
@@ -262,9 +260,7 @@ def _relation_rule(block):
                             # (inside the `try` block) does not exist.
                             except (KeyError, AttributeError):
                                 expr += (
-                                    m.NonConvexFlowBlock.status_nominal[
-                                        n, o, t
-                                    ]
+                                    m.NonConvexFlowBlock.status[n, o, t]
                                     * n.coefficients[0][t]
                                 )
                             block.relation.add((n, i, o, p, t), (expr == 0))
diff --git a/tests/lp_files/offsetconverter.lp b/tests/lp_files/offsetconverter.lp
index 59b7c425e..a241b80fd 100644
--- a/tests/lp_files/offsetconverter.lp
+++ b/tests/lp_files/offsetconverter.lp
@@ -47,32 +47,32 @@ c_e_NonConvexFlowBlock_status_nominal_constraint(gasBus_gasboiler_2)_:
 
 c_u_NonConvexFlowBlock_min(gasBus_gasboiler_0_0)_:
 -1 flow(gasBus_gasboiler_0_0)
-+0.32 NonConvexFlowBlock_status_nominal(gasBus_gasboiler_0)
++0.32 NonConvexFlowBlock_status(gasBus_gasboiler_0)
 <= 0
 
 c_u_NonConvexFlowBlock_min(gasBus_gasboiler_0_1)_:
 -1 flow(gasBus_gasboiler_0_1)
-+0.32 NonConvexFlowBlock_status_nominal(gasBus_gasboiler_1)
++0.32 NonConvexFlowBlock_status(gasBus_gasboiler_1)
 <= 0
 
 c_u_NonConvexFlowBlock_min(gasBus_gasboiler_0_2)_:
 -1 flow(gasBus_gasboiler_0_2)
-+0.32 NonConvexFlowBlock_status_nominal(gasBus_gasboiler_2)
++0.32 NonConvexFlowBlock_status(gasBus_gasboiler_2)
 <= 0
 
 c_u_NonConvexFlowBlock_max(gasBus_gasboiler_0_0)_:
 +1 flow(gasBus_gasboiler_0_0)
--1 NonConvexFlowBlock_status_nominal(gasBus_gasboiler_0)
+-1 NonConvexFlowBlock_status(gasBus_gasboiler_0)
 <= 0
 
 c_u_NonConvexFlowBlock_max(gasBus_gasboiler_0_1)_:
 +1 flow(gasBus_gasboiler_0_1)
--1 NonConvexFlowBlock_status_nominal(gasBus_gasboiler_1)
+-1 NonConvexFlowBlock_status(gasBus_gasboiler_1)
 <= 0
 
 c_u_NonConvexFlowBlock_max(gasBus_gasboiler_0_2)_:
 +1 flow(gasBus_gasboiler_0_2)
--1 NonConvexFlowBlock_status_nominal(gasBus_gasboiler_2)
+-1 NonConvexFlowBlock_status(gasBus_gasboiler_2)
 <= 0
 
 c_e_OffsetConverterBlock_relation(gasboiler_0_0)_:
diff --git a/tests/lp_files/offsetconverter_multi_period.lp b/tests/lp_files/offsetconverter_multi_period.lp
index 2f29944f2..fd0789adc 100644
--- a/tests/lp_files/offsetconverter_multi_period.lp
+++ b/tests/lp_files/offsetconverter_multi_period.lp
@@ -147,37 +147,37 @@ c_u_NonConvexFlowBlock_max(gasboiler_thermalBus_2_5)_:
 c_e_OffsetConverterBlock_relation(gasboiler_gasBus_thermalBus_0_0)_:
 +0.9 flow(gasBus_gasboiler_0_0)
 -1 flow(gasboiler_thermalBus_0_0)
--17 NonConvexFlowBlock_status_nominal(gasboiler_thermalBus_0)
+-17 NonConvexFlowBlock_status(gasboiler_thermalBus_0)
 = 0
 
 c_e_OffsetConverterBlock_relation(gasboiler_gasBus_thermalBus_0_1)_:
 +0.9 flow(gasBus_gasboiler_0_1)
 -1 flow(gasboiler_thermalBus_0_1)
--17 NonConvexFlowBlock_status_nominal(gasboiler_thermalBus_1)
+-17 NonConvexFlowBlock_status(gasboiler_thermalBus_1)
 = 0
 
 c_e_OffsetConverterBlock_relation(gasboiler_gasBus_thermalBus_1_2)_:
 +0.9 flow(gasBus_gasboiler_1_2)
 -1 flow(gasboiler_thermalBus_1_2)
--17 NonConvexFlowBlock_status_nominal(gasboiler_thermalBus_2)
+-17 NonConvexFlowBlock_status(gasboiler_thermalBus_2)
 = 0
 
 c_e_OffsetConverterBlock_relation(gasboiler_gasBus_thermalBus_1_3)_:
 +0.9 flow(gasBus_gasboiler_1_3)
 -1 flow(gasboiler_thermalBus_1_3)
--17 NonConvexFlowBlock_status_nominal(gasboiler_thermalBus_3)
+-17 NonConvexFlowBlock_status(gasboiler_thermalBus_3)
 = 0
 
 c_e_OffsetConverterBlock_relation(gasboiler_gasBus_thermalBus_2_4)_:
 +0.9 flow(gasBus_gasboiler_2_4)
 -1 flow(gasboiler_thermalBus_2_4)
--17 NonConvexFlowBlock_status_nominal(gasboiler_thermalBus_4)
+-17 NonConvexFlowBlock_status(gasboiler_thermalBus_4)
 = 0
 
 c_e_OffsetConverterBlock_relation(gasboiler_gasBus_thermalBus_2_5)_:
 +0.9 flow(gasBus_gasboiler_2_5)
 -1 flow(gasboiler_thermalBus_2_5)
--17 NonConvexFlowBlock_status_nominal(gasboiler_thermalBus_5)
+-17 NonConvexFlowBlock_status(gasboiler_thermalBus_5)
 = 0
 
 bounds
diff --git a/tests/lp_files/offsetconverter_nonconvex.lp b/tests/lp_files/offsetconverter_nonconvex.lp
index 98ff1f1c0..d05b85060 100644
--- a/tests/lp_files/offsetconverter_nonconvex.lp
+++ b/tests/lp_files/offsetconverter_nonconvex.lp
@@ -78,19 +78,19 @@ c_u_NonConvexFlowBlock_max(diesel_genset_bus_electricity_0_2)_:
 c_e_OffsetConverterBlock_relation(diesel_genset_bus_diesel_bus_electricity_0_0)_:
 +0.5 flow(bus_diesel_diesel_genset_0_0)
 -1 flow(diesel_genset_bus_electricity_0_0)
-+2.5 NonConvexFlowBlock_status_nominal(diesel_genset_bus_electricity_0)
++2.5 NonConvexFlowBlock_status(diesel_genset_bus_electricity_0)
 = 0
 
 c_e_OffsetConverterBlock_relation(diesel_genset_bus_diesel_bus_electricity_0_1)_:
 +0.5 flow(bus_diesel_diesel_genset_0_1)
 -1 flow(diesel_genset_bus_electricity_0_1)
-+2.5 NonConvexFlowBlock_status_nominal(diesel_genset_bus_electricity_1)
++2.5 NonConvexFlowBlock_status(diesel_genset_bus_electricity_1)
 = 0
 
 c_e_OffsetConverterBlock_relation(diesel_genset_bus_diesel_bus_electricity_0_2)_:
 +0.5 flow(bus_diesel_diesel_genset_0_2)
 -1 flow(diesel_genset_bus_electricity_0_2)
-+2.5 NonConvexFlowBlock_status_nominal(diesel_genset_bus_electricity_2)
++2.5 NonConvexFlowBlock_status(diesel_genset_bus_electricity_2)
 = 0
 
 bounds
diff --git a/tests/lp_files/offsetconverter_nonconvex_investment.lp b/tests/lp_files/offsetconverter_nonconvex_investment.lp
index 4b9755dd5..aa845ed66 100644
--- a/tests/lp_files/offsetconverter_nonconvex_investment.lp
+++ b/tests/lp_files/offsetconverter_nonconvex_investment.lp
@@ -119,19 +119,19 @@ c_u_InvestNonConvexFlowBlock_invest_nc_three(diesel_genset_bus_electricity_0_2)_
 c_e_OffsetConverterBlock_relation(diesel_genset_bus_diesel_bus_electricity_0_0)_:
 +0.5 flow(bus_diesel_diesel_genset_0_0)
 -1 flow(diesel_genset_bus_electricity_0_0)
-+2.5 InvestNonConvexFlowBlock_status_nominal(diesel_genset_bus_electricity_0)
++2.5 InvestNonConvexFlowBlock_status(diesel_genset_bus_electricity_0)
 = 0
 
 c_e_OffsetConverterBlock_relation(diesel_genset_bus_diesel_bus_electricity_0_1)_:
 +0.5 flow(bus_diesel_diesel_genset_0_1)
 -1 flow(diesel_genset_bus_electricity_0_1)
-+2.5 InvestNonConvexFlowBlock_status_nominal(diesel_genset_bus_electricity_1)
++2.5 InvestNonConvexFlowBlock_status(diesel_genset_bus_electricity_1)
 = 0
 
 c_e_OffsetConverterBlock_relation(diesel_genset_bus_diesel_bus_electricity_0_2)_:
 +0.5 flow(bus_diesel_diesel_genset_0_2)
 -1 flow(diesel_genset_bus_electricity_0_2)
-+2.5 InvestNonConvexFlowBlock_status_nominal(diesel_genset_bus_electricity_2)
++2.5 InvestNonConvexFlowBlock_status(diesel_genset_bus_electricity_2)
 = 0
 
 bounds