diff --git a/libs/binder/Debug.h b/libs/binder/Debug.h
index 262dfba..c3d03f8 100644
--- a/libs/binder/Debug.h
+++ b/libs/binder/Debug.h
@@ -20,6 +20,8 @@
 #include <sys/types.h>
 #include <string>
 
+#include <binder/Common.h>
+
 namespace android {
 // ---------------------------------------------------------------------------
 
@@ -35,7 +37,8 @@
     size_t alignment=0, bool cArrayStyle=false,
     debugPrintFunc func = nullptr, void* cookie = nullptr);
 
-extern "C" ssize_t getBinderKernelReferences(size_t count, uintptr_t* buf);
+// Used by libmemunreachable.
+extern "C" LIBBINDER_EXPORTED ssize_t getBinderKernelReferences(size_t count, uintptr_t* buf);
 
 // ---------------------------------------------------------------------------
 } // namespace android