diff --git a/src/arch/aarch64/ipi.rs b/src/arch/aarch64/ipi.rs
index b29a7d152b..340159f6a5 100644
--- a/src/arch/aarch64/ipi.rs
+++ b/src/arch/aarch64/ipi.rs
@@ -21,8 +21,8 @@ pub fn ipi(_kind: IpiKind, _target: IpiTarget) {}
 
 #[cfg(not(feature = "multi_core"))]
 #[inline(always)]
-pub fn ipi_single(_kind: IpiKind, _target: crate::percpu::PercpuBlock) {}
+pub fn ipi_single(_kind: IpiKind, _target: &crate::percpu::PercpuBlock) {}
 
 #[cfg(feature = "multi_core")]
 #[inline(always)]
-pub fn ipi_single(_kind: IpiKind, _target: crate::percpu::PercpuBlock) {}
+pub fn ipi_single(_kind: IpiKind, _target: &crate::percpu::PercpuBlock) {}
diff --git a/src/arch/riscv64/ipi.rs b/src/arch/riscv64/ipi.rs
index bfacf8d8fb..70ad6cc7c0 100644
--- a/src/arch/riscv64/ipi.rs
+++ b/src/arch/riscv64/ipi.rs
@@ -25,8 +25,8 @@ pub fn ipi(_kind: IpiKind, _target: IpiTarget) {}
 
 #[cfg(not(feature = "multi_core"))]
 #[inline(always)]
-pub fn ipi_single(_kind: IpiKind, _target: crate::percpu::PercpuBlock) {}
+pub fn ipi_single(_kind: IpiKind, _target: &crate::percpu::PercpuBlock) {}
 
 #[cfg(feature = "multi_core")]
 #[inline(always)]
-pub fn ipi_single(_kind: IpiKind, _target: crate::percpu::PercpuBlock) {}
+pub fn ipi_single(_kind: IpiKind, _target: &crate::percpu::PercpuBlock) {}