diff --git a/pglab/ResultTableModelUtil.h b/pglab/ResultTableModelUtil.h
index 523f521..c59f3fb 100644
--- a/pglab/ResultTableModelUtil.h
+++ b/pglab/ResultTableModelUtil.h
@@ -6,9 +6,9 @@
 Qt::Alignment GetDefaultAlignmentForType(Oid oid);
 QColor GetDefaultColorForType(Oid oid);
 
-inline Qt::Alignment GetDefaultAlignment() {	return Qt::AlignLeft + Qt::AlignVCenter; }
-inline Qt::Alignment GetDefaultBoolAlignment() { return Qt::AlignCenter + Qt::AlignVCenter; }
-inline Qt::Alignment GetDefaultNumberAlignment() { return Qt::AlignRight + Qt::AlignVCenter; }
+inline Qt::Alignment GetDefaultAlignment() {	return Qt::AlignLeft | Qt::AlignVCenter; }
+inline Qt::Alignment GetDefaultBoolAlignment() { return Qt::AlignCenter | Qt::AlignVCenter; }
+inline Qt::Alignment GetDefaultNumberAlignment() { return Qt::AlignRight | Qt::AlignVCenter; }
 
 inline QColor GetDefaultBoolColor(bool v)
 {