diff --git a/prism/src/explicit/ModelExplicit.java b/prism/src/explicit/ModelExplicit.java
index 94844fe8..301dd84a 100644
--- a/prism/src/explicit/ModelExplicit.java
+++ b/prism/src/explicit/ModelExplicit.java
@@ -135,6 +135,14 @@ public abstract class ModelExplicit implements Model
 		initialStates.add(i);
 	}
 
+	/**
+	 * Empty the list of initial states.
+	 */
+	public void clearInitialStates()
+	{
+		initialStates.clear();
+	}
+
 	/**
 	 * Add a state to the list of deadlock states.
 	 */