diff --git a/src/mem/cache/prefetch/Prefetcher.py b/src/mem/cache/prefetch/Prefetcher.py
index 5346937a95..62b5841f44 100644
--- a/src/mem/cache/prefetch/Prefetcher.py
+++ b/src/mem/cache/prefetch/Prefetcher.py
@@ -81,6 +81,8 @@ class BasePrefetcher(ClockedObject):
         "Notify the hardware prefetcher on hit on prefetched lines")
     use_virtual_addresses = Param.Bool(False,
         "Use virtual addresses for prefetching")
+    page_bytes = Param.MemorySize('4KiB',
+            "Size of pages for virtual addresses")
 
     def __init__(self, **kwargs):
         super(BasePrefetcher, self).__init__(**kwargs)
diff --git a/src/mem/cache/prefetch/base.cc b/src/mem/cache/prefetch/base.cc
index 06d2b91050..cb4c1e8118 100644
--- a/src/mem/cache/prefetch/base.cc
+++ b/src/mem/cache/prefetch/base.cc
@@ -98,7 +98,7 @@ Base::Base(const BasePrefetcherParams &p)
       lBlkSize(floorLog2(blkSize)), onMiss(p.on_miss), onRead(p.on_read),
       onWrite(p.on_write), onData(p.on_data), onInst(p.on_inst),
       requestorId(p.sys->getRequestorId(this)),
-      pageBytes(p.sys->getPageBytes()),
+      pageBytes(p.page_bytes),
       prefetchOnAccess(p.prefetch_on_access),
       prefetchOnPfHit(p.prefetch_on_pf_hit),
       useVirtualAddresses(p.use_virtual_addresses),