diff --git a/artiq/firmware/runtime/Cargo.toml b/artiq/firmware/runtime/Cargo.toml
index e6c20ba4d..6753261cd 100644
--- a/artiq/firmware/runtime/Cargo.toml
+++ b/artiq/firmware/runtime/Cargo.toml
@@ -7,7 +7,7 @@ build = "build.rs"
 [lib]
 name = "runtime"
 crate-type = ["staticlib"]
-path = "lib.rs"
+path = "main.rs"
 
 [build-dependencies]
 build_artiq = { path = "../libbuild_artiq" }
diff --git a/artiq/firmware/runtime/lib.rs b/artiq/firmware/runtime/main.rs
similarity index 100%
rename from artiq/firmware/runtime/lib.rs
rename to artiq/firmware/runtime/main.rs
diff --git a/artiq/firmware/satman/Cargo.toml b/artiq/firmware/satman/Cargo.toml
index f3aa3cc4a..be6abc55f 100644
--- a/artiq/firmware/satman/Cargo.toml
+++ b/artiq/firmware/satman/Cargo.toml
@@ -7,7 +7,7 @@ build = "build.rs"
 [lib]
 name = "satman"
 crate-type = ["staticlib"]
-path = "lib.rs"
+path = "main.rs"
 
 [build-dependencies]
 build_artiq = { path = "../libbuild_artiq" }
diff --git a/artiq/firmware/satman/lib.rs b/artiq/firmware/satman/main.rs
similarity index 100%
rename from artiq/firmware/satman/lib.rs
rename to artiq/firmware/satman/main.rs