diff --git a/src/interfaces/jdbc/org/postgresql/jdbc2/ResultSet.java b/src/interfaces/jdbc/org/postgresql/jdbc2/ResultSet.java
index bf412571115..9df669910da 100644
--- a/src/interfaces/jdbc/org/postgresql/jdbc2/ResultSet.java
+++ b/src/interfaces/jdbc/org/postgresql/jdbc2/ResultSet.java
@@ -1396,7 +1396,7 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
 		if (s != null)
 		{
 			int c = s.charAt(0);
-			return ((c == 't') || (c == 'T'));
+			return ((c == 't') || (c == 'T') || (c == '1'));
 		}
 		return false;		// SQL NULL
 	}