diff --git a/library/forms/swig/mforms.i b/library/forms/swig/mforms.i
index cb74ba4..127018a 100644
--- a/library/forms/swig/mforms.i
+++ b/library/forms/swig/mforms.i
@@ -53,6 +53,7 @@
 #include "mforms_grt.h"
 #include "mforms_drawbox.h"
 
+using namespace boost::placeholders;
 
 DEFAULT_LOG_DOMAIN("pymforms")
 
diff --git a/modules/db.mysql.sqlparser/src/mysql_invalid_sql_parser.cpp b/modules/db.mysql.sqlparser/src/mysql_invalid_sql_parser.cpp
index 24db3d6..9ce7552 100644
--- a/modules/db.mysql.sqlparser/src/mysql_invalid_sql_parser.cpp
+++ b/modules/db.mysql.sqlparser/src/mysql_invalid_sql_parser.cpp
@@ -34,6 +34,7 @@
 
 using namespace grt;
 using namespace base;
+using namespace boost::placeholders;
 
 Mysql_invalid_sql_parser::Null_state_keeper::~Null_state_keeper() {
   _sql_parser->_next_group_routine_seqno = 0;
diff --git a/modules/db.mysql.sqlparser/src/mysql_sql_normalizer.cpp b/modules/db.mysql.sqlparser/src/mysql_sql_normalizer.cpp
index 0c0f72b..649f948 100644
--- a/modules/db.mysql.sqlparser/src/mysql_sql_normalizer.cpp
+++ b/modules/db.mysql.sqlparser/src/mysql_sql_normalizer.cpp
@@ -29,6 +29,7 @@
 #include "mysql_sql_parser_utils.h"
 
 using namespace grt;
+using namespace boost::placeholders;
 
 #define NULL_STATE_KEEPER Null_state_keeper _nsk(this);
 
diff --git a/modules/db.mysql.sqlparser/src/mysql_sql_parser.cpp b/modules/db.mysql.sqlparser/src/mysql_sql_parser.cpp
index ef51d77..a551946 100644
--- a/modules/db.mysql.sqlparser/src/mysql_sql_parser.cpp
+++ b/modules/db.mysql.sqlparser/src/mysql_sql_parser.cpp
@@ -43,6 +43,7 @@
 
 using namespace grt;
 using namespace base;
+using namespace boost::placeholders;
 
 class TableStorageEngines {
 public:
diff --git a/modules/db.mysql.sqlparser/src/mysql_sql_parser_utils.cpp b/modules/db.mysql.sqlparser/src/mysql_sql_parser_utils.cpp
index 10a1248..d6c37ef 100644
--- a/modules/db.mysql.sqlparser/src/mysql_sql_parser_utils.cpp
+++ b/modules/db.mysql.sqlparser/src/mysql_sql_parser_utils.cpp
@@ -34,6 +34,8 @@
 //#include "util_functions.h"
 #include "grtpp_util.h"
 
+using namespace boost::placeholders;
+
 std::string unquot(std::string text, const std::string quot_sym) {
   if (!text.empty())
     if ((std::string::npos != quot_sym.find(text[0]) && (std::string::npos != quot_sym.find(*text.rbegin()))))
diff --git a/modules/db.mysql.sqlparser/src/mysql_sql_schema_rename.cpp b/modules/db.mysql.sqlparser/src/mysql_sql_schema_rename.cpp
index 617487b..f43f7ba 100644
--- a/modules/db.mysql.sqlparser/src/mysql_sql_schema_rename.cpp
+++ b/modules/db.mysql.sqlparser/src/mysql_sql_schema_rename.cpp
@@ -35,6 +35,7 @@
 using namespace grt;
 using namespace bec;
 using namespace base;
+using namespace boost::placeholders;
 
 Mysql_sql_schema_rename::Null_state_keeper::~Null_state_keeper() {
   _sql_parser->_old_schema_name = std::string();
diff --git a/modules/db.mysql.sqlparser/src/mysql_sql_specifics.cpp b/modules/db.mysql.sqlparser/src/mysql_sql_specifics.cpp
index bbbb733..943696c 100644
--- a/modules/db.mysql.sqlparser/src/mysql_sql_specifics.cpp
+++ b/modules/db.mysql.sqlparser/src/mysql_sql_specifics.cpp
@@ -33,6 +33,7 @@
 
 using namespace grt;
 using namespace base;
+using namespace boost::placeholders;
 
 #define NULL_STATE_KEEPER Null_state_keeper _nsk(this);