diff --git a/src/libecalc/core/consumers/legacy_consumer/system/consumer_function.py b/src/libecalc/core/consumers/legacy_consumer/system/consumer_function.py
index 5963bab35d..41f756099f 100644
--- a/src/libecalc/core/consumers/legacy_consumer/system/consumer_function.py
+++ b/src/libecalc/core/consumers/legacy_consumer/system/consumer_function.py
@@ -287,7 +287,7 @@ def calculate_operational_settings_after_cross_over(
                     f" {type(energy_usage_model).__name__} has not been implemented."
                     f" This should not happen. Please contact eCalc support."
                 )
-            transfer_rate = requested_rates[consumer_index] - consumer_maximum_rate
+            transfer_rate = rates_after_cross_over[consumer_index] - consumer_maximum_rate
             # Only transfer when max rate is exceeded
             transfer_rate = np.where(transfer_rate > 0, transfer_rate, 0)
 
diff --git a/src/libecalc/presentation/yaml/yaml_types/components/legacy/energy_usage_model/yaml_energy_usage_model_consumer_system.py b/src/libecalc/presentation/yaml/yaml_types/components/legacy/energy_usage_model/yaml_energy_usage_model_consumer_system.py
index 6503cfe98a..fd6338778f 100644
--- a/src/libecalc/presentation/yaml/yaml_types/components/legacy/energy_usage_model/yaml_energy_usage_model_consumer_system.py
+++ b/src/libecalc/presentation/yaml/yaml_types/components/legacy/energy_usage_model/yaml_energy_usage_model_consumer_system.py
@@ -1,6 +1,6 @@
 from typing import Literal
 
-from pydantic import Field
+from pydantic import Field, model_validator
 
 from libecalc.presentation.yaml.yaml_types import YamlBase
 from libecalc.presentation.yaml.yaml_types.components.legacy.energy_usage_model.common import (
@@ -65,6 +65,24 @@ class YamlCompressorSystemOperationalSetting(YamlBase):
         description="Set suction pressure equal for all consumers in a consumer system operational setting. \n\n$ECALC_DOCS_KEYWORDS_URL/SUCTION_PRESSURE",
     )
 
+    @model_validator(mode="after")
+    def ensure_increasing_cross_over(self):
+        if self.crossover is None:
+            return self
+        for index, crossover in enumerate(self.crossover):
+            if crossover >= max(self.crossover[: index + 1]) or crossover == 0:
+                pass
+            else:
+                raise ValueError(
+                    f"Crossover: {self.crossover}\n"
+                    "To avoid loops and to avoid passing rates to compressor trains that have already been "
+                    "processed, the index of the crossovers should be either 0 or increasing in the list. "
+                    "This can probably be fixed by changing the order of the compressor trains in "
+                    "the compressor system. "
+                )
+
+        return self
+
 
 class YamlPumpSystemOperationalSettings(YamlCompressorSystemOperationalSetting):
     fluid_densities: list[YamlExpressionType] = Field(