diff --git a/src/sql/drivers/psql/qsql_psql.cpp b/src/sql/drivers/psql/qsql_psql.cpp

index 7fe1a91..afa2593 100644

--- a/src/sql/drivers/psql/qsql_psql.cpp

+++ b/src/sql/drivers/psql/qsql_psql.cpp

@@ -58,7 +58,10 @@

 # undef errno

 #endif

 #define errno qt_psql_errno

+// HACK: PostgreSQL has its own strict Param

+#define Param q_pgsql_Param

 #include <catalog/pg_type.h>

+#undef Param

 #undef errno

 #ifdef open

 # undef open

@@ -147,8 +147,12 @@ static QVariant::Type qDecodePSQLType( int t )

     case FLOAT8OID      :

 	type = QVariant::Double;

 	break;

+#ifdef ABSTIMEOID // gone in PostgreSQL 12

     case ABSTIMEOID     :

+#endif

+#ifdef RELTIMEOID // gone in PostgreSQL 12

     case RELTIMEOID     :

+#endif

     case DATEOID	:

 	type = QVariant::Date;

 	break;