diff --git a/Buildings/Fluid/FixedResistances/Validation/PlugFlowPipes/PlugFlowAIT.mo b/Buildings/Fluid/FixedResistances/Validation/PlugFlowPipes/PlugFlowAIT.mo
index 84a5bd11137..d8b1779e517 100644
--- a/Buildings/Fluid/FixedResistances/Validation/PlugFlowPipes/PlugFlowAIT.mo
+++ b/Buildings/Fluid/FixedResistances/Validation/PlugFlowPipes/PlugFlowAIT.mo
@@ -375,7 +375,7 @@ equation
   annotation (
     experiment(
       StopTime=603900,
-      Interval=900,
+      Interval=120,
       Tolerance=1e-006),
     __Dymola_Commands(file="modelica://Buildings/Resources/Scripts/Dymola/Fluid/FixedResistances/Validation/PlugFlowPipes/PlugFlowAIT.mos"
         "Simulate and plot"),