diff --git a/crates/algorithms/build.rs b/crates/algorithms/build.rs
index 2f02505..6a648c8 100755
--- a/crates/algorithms/build.rs
+++ b/crates/algorithms/build.rs
@@ -30,17 +30,16 @@ fn main() {
     let mut cmd = std::process::Command::new("ceedling.bat");
     #[cfg(not(target_os = "windows"))]
     let mut cmd = std::process::Command::new("ceedling");
-    cmd.arg("release");
 
     let arch = env("CARGO_CFG_TARGET_ARCH");
     let pw = env("CARGO_CFG_TARGET_POINTER_WIDTH");
     let os = env("CARGO_CFG_TARGET_OS");
 
-    if arch == "arm" && pw == "32" && os == "none" && !cfg!(test) {
+    if arch == "arm" && pw == "32" && os == "none" {
         cmd.env("CC", "arm-none-eabi-gcc")
             .env("AR", "arm-none-eabi-ar")
             .env("CC_FLAGS", "-march=armv6-m");
-    } else if os == "linux" || os == "windows" || cfg!(test) {
+    } else if os == "linux" || os == "windows" {
         cmd.env("CC", "gcc").env("AR", "ar");
     } else {
         panic!("Unsupported build target")
@@ -48,6 +47,7 @@ fn main() {
 
     println!("Cwd: {}", std::env::current_dir().unwrap().display());
     let status = cmd
+        .arg("release")
         .current_dir("./algorithms-c")
         .status()
         .expect("could not make c stuff");