diff --git a/src/specificClass.js b/src/specificClass.js
index 7852022..afaf48f 100644
--- a/src/specificClass.js
+++ b/src/specificClass.js
@@ -32,7 +32,7 @@ class PumpingStation extends BaseDomain {
   static unitPolicy = UnitPolicy.declare({
     canonical: { flow: 'm3/s', pressure: 'Pa', power: 'W', temperature: 'K' },
     output:    {
-      flow: 'm3/h', netFlowRate: 'm3/h', level: 'm', volume: 'm3',
+      flow: 'm3/s', netFlowRate: 'm3/s', level: 'm', volume: 'm3',
       overflowVolume: 'm3', underflowVolume: 'm3',
     },
     requireUnitForTypes: [],