diff --git a/linker/linker_phdr.h b/linker/linker_phdr.h
index 89ec094..d6276ed 100644
--- a/linker/linker_phdr.h
+++ b/linker/linker_phdr.h
@@ -65,7 +65,7 @@
   bool LoadSegments();
   bool FindPhdr();
   bool CheckPhdr(ElfW(Addr));
-  bool CheckFileRange(ElfW(Addr) offset, size_t size);
+  bool CheckFileRange(ElfW(Addr) offset, size_t size, size_t alignment);
 
   bool did_read_;
   bool did_load_;