diff --git a/linker/linker.h b/linker/linker.h
index 9bca7f3..b1d2566 100644
--- a/linker/linker.h
+++ b/linker/linker.h
@@ -425,7 +425,7 @@
 
 void do_android_get_LD_LIBRARY_PATH(char*, size_t);
 void do_android_update_LD_LIBRARY_PATH(const char* ld_library_path);
-soinfo* do_dlopen(const char* name, int flags, const android_dlextinfo* extinfo);
+soinfo* do_dlopen(const char* name, int flags, const android_dlextinfo* extinfo, soinfo *caller);
 void do_dlclose(soinfo* si);
 
 int do_dl_iterate_phdr(int (*cb)(dl_phdr_info* info, size_t size, void* data), void* data);