diff --git a/core/src/bmi.jl b/core/src/bmi.jl
index e81d0ed89..8e5c9960c 100644
--- a/core/src/bmi.jl
+++ b/core/src/bmi.jl
@@ -48,7 +48,7 @@ function BMI.get_value_ptr(model::Model, name::AbstractString)::AbstractVector{F
         p.subgrid.level
     elseif name == "user_demand.demand"
         vec(p.user_demand.demand)
-    elseif name == "user_demand.inflow"
+    elseif name == "user_demand.cumulative_inflow"
         u.user_demand_inflow
     else
         error("Unknown variable $name")
diff --git a/core/test/bmi_test.jl b/core/test/bmi_test.jl
index c7f1b559c..12c0c8220 100644
--- a/core/test/bmi_test.jl
+++ b/core/test/bmi_test.jl
@@ -68,7 +68,7 @@ end
         "basin.cumulative_drainage",
         "basin.subgrid_level",
         "user_demand.demand",
-        "user_demand.inflow",
+        "user_demand.cumulative_inflow",
     ]
         value_first = BMI.get_value_ptr(model, name)
         BMI.update_until(model, 86400.0)
diff --git a/python/ribasim_api/tests/test_bmi.py b/python/ribasim_api/tests/test_bmi.py
index bfbd8e3e8..f11383721 100644
--- a/python/ribasim_api/tests/test_bmi.py
+++ b/python/ribasim_api/tests/test_bmi.py
@@ -168,7 +168,7 @@ def test_get_value_ptr_allocation(libribasim, user_demand, tmp_path):
     libribasim.update_until(60.0)
 
     # Realized inflow
-    actual_inflow = libribasim.get_value_ptr("user_demand.inflow")
+    actual_inflow = libribasim.get_value_ptr("user_demand.cumulative_inflow")
     expected_inflow = np.array([1e-4 * 60.0, 0.0, 0.0])
     assert_array_almost_equal(actual_inflow, expected_inflow)