diff --git a/src/interfaces/ecpg/ecpglib/error.c b/src/interfaces/ecpg/ecpglib/error.c
index 2f900a9e04b..9fa3a3761bc 100644
--- a/src/interfaces/ecpg/ecpglib/error.c
+++ b/src/interfaces/ecpg/ecpglib/error.c
@@ -1,4 +1,4 @@
-/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/ecpglib/error.c,v 1.9 2003/08/25 13:43:58 meskes Exp $ */
+/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/ecpglib/error.c,v 1.9.2.1 2006/03/19 12:32:13 meskes Exp $ */
 
 #define POSTGRES_ECPG_INTERNAL
 #include "postgres_fe.h"
@@ -186,7 +186,7 @@ ECPGraise_backend(int line, PGresult *result, PGconn *conn, int compat)
 	/* assign SQLCODE for backward compatibility */
 	if (strncmp(sqlca->sqlstate, "23505", sizeof(sqlca->sqlstate)) == 0)
 		sqlca->sqlcode = INFORMIX_MODE(compat) ? ECPG_INFORMIX_DUPLICATE_KEY : ECPG_DUPLICATE_KEY;
-	if (strncmp(sqlca->sqlstate, "21000", sizeof(sqlca->sqlstate)) == 0)
+	else if (strncmp(sqlca->sqlstate, "21000", sizeof(sqlca->sqlstate)) == 0)
 		sqlca->sqlcode = INFORMIX_MODE(compat) ? ECPG_INFORMIX_SUBSELECT_NOT_ONE : ECPG_SUBSELECT_NOT_ONE;
 	else
 		sqlca->sqlcode = ECPG_PGSQL;