diff --git a/src/allocator.rs b/src/allocator.rs
index 955ddc76..17cd9aec 100644
--- a/src/allocator.rs
+++ b/src/allocator.rs
@@ -31,7 +31,7 @@ pub fn init_heap(
             .allocate_frame()
             .ok_or(MapToError::FrameAllocationFailed)?;
         let flags = PageTableFlags::PRESENT | PageTableFlags::WRITABLE;
-        mapper.map_to(page, frame, flags, frame_allocator)?.flush();
+        unsafe { mapper.map_to(page, frame, flags, frame_allocator)?.flush() };
     }
 
     unsafe {