diff --git a/src/jrd/val.h b/src/jrd/val.h
index e44b17a140..ee85ffd108 100644
--- a/src/jrd/val.h
+++ b/src/jrd/val.h
@@ -49,7 +49,7 @@ public:
 	UCHAR str_data[2];			// one byte for ALLOC and one for the NULL
 };
 
-const ULONG MAX_RECORD_SIZE	= 65535;
+const ULONG MAX_RECORD_SIZE	= 1000000; // just to protect from misuse
 
 namespace Jrd {