1 files changed, 1 insertions, 0 deletions
diff --git a/sql/sql_table.h b/sql/sql_table.h
index fc7eb775bef..7255ce68743 100644
--- a/sql/sql_table.h
+++ b/sql/sql_table.h
@@ -19,6 +19,7 @@
 
 #include "my_global.h"                          /* my_bool */
 #include "my_sys.h"                             // pthread_mutex_t
+#include "m_string.h"                           // LEX_CUSTRING
 
 class Alter_info;
 class Alter_table_ctx;