diff --git a/mysql_fdw.c b/mysql_fdw.c
index 51d1a17..9489863 100644
--- a/mysql_fdw.c
+++ b/mysql_fdw.c
@@ -21,6 +21,10 @@
 #include <unistd.h>
 #include <dlfcn.h>
 
+#ifndef RTLD_DEEPBIND
+#define RTLD_DEEPBIND 0
+#endif
+
 #include <mysql.h>
 #include <errmsg.h>