diff --git a/osdep.h b/osdep.h
index 16148da1b1..1c14de4c5e 100644
--- a/osdep.h
+++ b/osdep.h
@@ -8,6 +8,7 @@ void qemu_vprintf(const char *fmt, va_list ap);
 void qemu_printf(const char *fmt, ...);
 
 void *qemu_malloc(size_t size);
+void *qemu_mallocz(size_t size);
 void qemu_free(void *ptr);
 
 void *get_mmap_addr(unsigned long size);