diff --git a/programming/language/rust/files/bootstrap-config.toml b/programming/language/rust/files/bootstrap-config.toml
index b52acb7bed..f6da67a981 100755
--- a/programming/language/rust/files/bootstrap-config.toml
+++ b/programming/language/rust/files/bootstrap-config.toml
@@ -10,6 +10,8 @@ sanitizers = false
 prefix = "/usr"
 
 [rust]
+codegen-units = 1
+
 debuginfo = true
 debuginfo-lines = true