diff --git a/nselib/data/http-sql-errors.lst b/nselib/data/http-sql-errors.lst
index 1daac23f6..ca0d8b9bc 100644
--- a/nselib/data/http-sql-errors.lst
+++ b/nselib/data/http-sql-errors.lst
@@ -71,7 +71,7 @@ SQLException
 Supplied argument is not a valid MySQL result resource in
 Supplied argument is not a valid PostgreSQL result
 Syntax error in query expression
-System.IndexOutOfRangeException
+System%.IndexOutOfRangeException
 The error occurred in
 The script whose uid is
 Type mismatch