diff --git a/sys/boot/common/module.c b/sys/boot/common/module.c
index adeb1b8ca81..68232946317 100644
--- a/sys/boot/common/module.c
+++ b/sys/boot/common/module.c
@@ -75,6 +75,7 @@ struct preloaded_file *preloaded_files = NULL;
 static char *kld_ext_list[] = {
     ".ko",
     "",
+    ".debug",
     NULL
 };