diff --git a/artiq/firmware/libbuild_artiq/lib.rs b/artiq/firmware/libbuild_artiq/lib.rs
index da7133f26..666a91651 100644
--- a/artiq/firmware/libbuild_artiq/lib.rs
+++ b/artiq/firmware/libbuild_artiq/lib.rs
@@ -42,7 +42,7 @@ pub fn git_describe() {
     }
 }
 
-pub fn misoc_registers() {
+pub fn misoc_cfg() {
     let out_dir = env::var("BUILDINC_DIRECTORY").unwrap();
     let cfg_path = Path::new(&out_dir).join("generated").join("rust-cfg");
     println!("cargo:rerun-if-changed={}", cfg_path.to_str().unwrap());
diff --git a/artiq/firmware/runtime/build.rs b/artiq/firmware/runtime/build.rs
index f6ab9cf8a..d9df648a6 100644
--- a/artiq/firmware/runtime/build.rs
+++ b/artiq/firmware/runtime/build.rs
@@ -2,5 +2,5 @@ extern crate build_artiq;
 
 fn main() {
     build_artiq::git_describe();
-    build_artiq::misoc_registers();
+    build_artiq::misoc_cfg();
 }
diff --git a/artiq/firmware/satman/build.rs b/artiq/firmware/satman/build.rs
index f6ab9cf8a..d9df648a6 100644
--- a/artiq/firmware/satman/build.rs
+++ b/artiq/firmware/satman/build.rs
@@ -2,5 +2,5 @@ extern crate build_artiq;
 
 fn main() {
     build_artiq::git_describe();
-    build_artiq::misoc_registers();
+    build_artiq::misoc_cfg();
 }