diff --git a/include/image.h b/include/image.h
index a62669f..4a7bf78 100644
--- a/include/image.h
+++ b/include/image.h
@@ -292,6 +292,7 @@
 int genimg_get_arch_id (const char *name);
 int genimg_get_type_id (const char *name);
 int genimg_get_comp_id (const char *name);
+void genimg_print_size (uint32_t size);
 
 #ifndef USE_HOSTCC
 /* Image format types, returned by _get_format() routine */