diff --git a/src/version.h b/src/version.h
index b2a6ba1fca..e07c6daf24 100644
--- a/src/version.h
+++ b/src/version.h
@@ -74,7 +74,7 @@ const char *GetVersionString();
 
 // Minimum demo version we can play.
 // Bump it whenever you change or remove existing DEM_ commands.
-#define MINDEMOVERSION 0x21F
+#define MINDEMOVERSION 0x221
 
 // SAVEVER is the version of the information stored in level snapshots.
 // Note that SAVEVER is not directly comparable to VERSION.