diff --git a/modules.scm b/modules.scm
index 3d8dd61..112ca1b 100644
--- a/modules.scm
+++ b/modules.scm
@@ -424,7 +424,7 @@
 	structure-refs
 	handle-fatal-error
 	scsh
-	threads
+	threads threads-internal
 	fluids
 	string-lib
 	big-util