diff --git a/examples/t-schedule-core-stable.rs b/examples/t-schedule-core-stable.rs
new file mode 100644
index 0000000000..c2a8fdb54a
--- /dev/null
+++ b/examples/t-schedule-core-stable.rs
@@ -0,0 +1,28 @@
+//! [compile-pass] Check `schedule` code generation
+
+#![deny(unsafe_code)]
+#![deny(warnings)]
+#![no_main]
+#![no_std]
+
+use panic_halt as _;
+
+#[rtic::app(device = lm3s6965, monotonic = rtic::cyccnt::CYCCNT)]
+mod app {
+    #[init]
+    fn init(c: init::Context) -> init::LateResources {
+        let _c: rtic::Peripherals = c.core;
+
+        init::LateResources {}
+    }
+
+    #[task]
+    fn some_task(_: some_task::Context) {}
+
+    // RTIC requires that unused interrupts are declared in an extern block when
+    // using software tasks; these free interrupts will be used to dispatch the
+    // software tasks.
+    extern "C" {
+        fn SSI0();
+    }
+}
diff --git a/macros/src/codegen/module.rs b/macros/src/codegen/module.rs
index 2e51e7db6e..3d90cbd355 100644
--- a/macros/src/codegen/module.rs
+++ b/macros/src/codegen/module.rs
@@ -15,7 +15,7 @@ pub fn codegen(ctxt: Context, resources_tick: bool, app: &App, extra: &Extra) ->
     let mut lt = None;
     match ctxt {
         Context::Init => {
-            if app.uses_schedule() {
+            if extra.monotonic.is_some() {
                 let m = extra.monotonic();
 
                 fields.push(quote!(
@@ -277,7 +277,7 @@ pub fn codegen(ctxt: Context, resources_tick: bool, app: &App, extra: &Extra) ->
     };
 
     let core = if ctxt.is_init() {
-        if app.uses_schedule() {
+        if extra.monotonic.is_some() {
             Some(quote!(core: rtic::Peripherals,))
         } else {
             Some(quote!(core: rtic::export::Peripherals,))