diff --git a/include/exports.h b/include/exports.h
index 2e8fd8b..c3a5d2f 100644
--- a/include/exports.h
+++ b/include/exports.h
@@ -16,7 +16,7 @@
 void free_hdlr(int);
 void *malloc(size_t);
 void free(void*);
-void udelay(unsigned long);
+void __udelay(unsigned long);
 unsigned long get_timer(unsigned long);
 void vprintf(const char *, va_list);
 void do_reset (void);