diff --git a/src/jrd/VirtualTable.cpp b/src/jrd/VirtualTable.cpp
index bf75315d9e..c3b4c965e4 100644
--- a/src/jrd/VirtualTable.cpp
+++ b/src/jrd/VirtualTable.cpp
@@ -38,6 +38,7 @@
 
 using namespace Jrd;
 
+
 void VirtualTable::close(thread_db* tdbb, RecordSource* rsb)
 {
 	SET_TDBB(tdbb);
@@ -48,11 +49,13 @@ void VirtualTable::close(thread_db* tdbb, RecordSource* rsb)
 	impure->irsb_record_buffer = NULL;
 }
 
+
 void VirtualTable::erase(record_param* rpb)
 {
 	ERR_post(isc_read_only, 0);
 }
 
+
 bool VirtualTable::get(thread_db* tdbb, RecordSource* rsb)
 {
 	SET_TDBB(tdbb);
@@ -69,11 +72,13 @@ bool VirtualTable::get(thread_db* tdbb, RecordSource* rsb)
 	return impure->irsb_record_buffer->fetch(rpb->rpb_record);
 }
 
+
 void VirtualTable::modify(record_param* org_rpb, record_param* new_rpb)
 {
 	ERR_post(isc_read_only, 0);
 }
 
+
 void VirtualTable::open(thread_db* tdbb, RecordSource* rsb)
 {
 	SET_TDBB(tdbb);
@@ -99,6 +104,7 @@ void VirtualTable::open(thread_db* tdbb, RecordSource* rsb)
 	impure->irsb_record_buffer = snapshot->getData(relation);
 }
 
+
 Jrd::RecordSource* VirtualTable::optimize(thread_db* tdbb, OptimizerBlk* opt, SSHORT stream)
 {
 	SET_TDBB(tdbb);
@@ -116,6 +122,7 @@ Jrd::RecordSource* VirtualTable::optimize(thread_db* tdbb, OptimizerBlk* opt, SS
 	return rsb;
 }
 
+
 void VirtualTable::store(record_param* rpb)
 {
 	ERR_post(isc_read_only, 0);
diff --git a/src/jrd/VirtualTable.h b/src/jrd/VirtualTable.h
index 3b21760b12..0706ecaed9 100644
--- a/src/jrd/VirtualTable.h
+++ b/src/jrd/VirtualTable.h
@@ -20,8 +20,8 @@
  *  Contributor(s): ______________________________________.
  */
 
-#ifndef VIRTUAL_TABLE_H
-#define VIRTUAL_TABLE_H
+#ifndef JRD_VIRTUAL_TABLE_H
+#define JRD_VIRTUAL_TABLE_H
 
 namespace Jrd {
 
@@ -42,4 +42,4 @@ void store(Jrd::record_param*);
 
 }; // namespace Jrd
 
-#endif // VIRTUAL_TABLE_H
+#endif // JRD_VIRTUAL_TABLE_H