diff --git a/Cargo.toml b/Cargo.toml
index 27db353..59f4a13 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,8 @@ edition = "2021"
 license = "Zlib OR Apache-2.0 OR MIT"
 
 [features]
-default = ["track_caller", "on_gba"]
+default = ["track_caller", "on_gba", "asm_runtime"]
+asm_runtime = []
 track_caller = []
 on_gba = []
 fixed = ["dep:fixed"]
diff --git a/src/lib.rs b/src/lib.rs
index e79f60c..3a0684b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -101,7 +101,7 @@ mod macros;
 #[cfg(test)]
 mod test_harness;
 
-#[cfg(feature = "on_gba")]
+#[cfg(feature = "asm_runtime")]
 mod asm_runtime;
 #[cfg(feature = "on_gba")]
 pub mod bios;
diff --git a/src/prelude.rs b/src/prelude.rs
index a2d9a6a..12402e7 100644
--- a/src/prelude.rs
+++ b/src/prelude.rs
@@ -2,10 +2,12 @@
 
 #[cfg(feature = "on_gba")]
 pub use crate::{
-  asm_runtime::*, bios::*, dma::*, gba_cell::*, mgba::*, mmio::*,
-  RUST_IRQ_HANDLER,
+  bios::*, dma::*, gba_cell::*, mgba::*, mmio::*, RUST_IRQ_HANDLER,
 };
 
+#[cfg(feature = "asm_runtime")]
+pub use crate::asm_runtime::*;
+
 pub use crate::{
   builtin_art::*,
   fixed::*,