diff --git a/prism/src/prism/Prism.java b/prism/src/prism/Prism.java
index 99a44951..14768ce2 100644
--- a/prism/src/prism/Prism.java
+++ b/prism/src/prism/Prism.java
@@ -53,7 +53,7 @@ public class Prism implements PrismSettingsListener
 	// prism version
 	private static String version = "4.0.1";
 	// prism version suffix
-	private static String versionSuffix = ""; // ".dev"; //".rXXXX";;
+	private static String versionSuffix = ".dev"; //".rXXXX";;
 	
 	//------------------------------------------------------------------------------
 	// Constants