diff --git a/include/my_time.h b/include/my_time.h
index 02e2b01efca..bad2b8bf4b0 100644
--- a/include/my_time.h
+++ b/include/my_time.h
@@ -27,7 +27,7 @@
 
 C_MODE_START
 
-extern ulonglong log_10_int[20];
+extern MYSQL_PLUGIN_IMPORT ulonglong log_10_int[20];
 extern uchar days_in_month[];
 
 #define MY_TIME_T_MAX LONG_MAX