diff --git a/prism/src/prism/Prism.java b/prism/src/prism/Prism.java
index f5f8c4a9..34549959 100644
--- a/prism/src/prism/Prism.java
+++ b/prism/src/prism/Prism.java
@@ -2628,7 +2628,7 @@ public class Prism implements PrismSettingsListener
 				DTMCModelChecker mcDTMC = new DTMCModelChecker();
 				mcDTMC.setLog(mainLog);
 				mcDTMC.setSettings(settings);
-				probsExpl = mcDTMC.doSteadyState((DTMC) currentModelExpl, (File) null);
+				probsExpl = mcDTMC.doSteadyState((DTMC) currentModelExpl, (double[]) null);
 				//TODO: probsExpl = mcDTMC.doSteadyState((DTMC) currentModelExpl, fileIn);
 			} else if (currentModelType == ModelType.CTMC) {
 				throw new PrismException("Not implemented yet");