diff --git a/prism/src/prism/PrismCL.java b/prism/src/prism/PrismCL.java
index 2dbef79b..37be9a3b 100644
--- a/prism/src/prism/PrismCL.java
+++ b/prism/src/prism/PrismCL.java
@@ -242,6 +242,10 @@ public class PrismCL implements PrismModelListener
 		// Sort out properties to check
 		sortProperties();
 
+		if (param && numPropertiesToCheck == 0) {
+			errorAndExit("Parametric model checking requires at least one property to check");
+		}
+
 		// process info about undefined constants
 		try {
 			// first, see which constants are undefined