diff --git a/include/linux/capability.h b/include/linux/capability.h
index 6548b35ab9f685d3f7a215cea8b2bfc557a1ac17..bbf8df7de28f0991fcc7a240eb8f70723b38eb35 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -16,6 +16,8 @@
 #include <linux/types.h>
 #include <linux/compiler.h>
 
+struct task_struct;
+
 /* User-level do most of the mapping between kernel and user
    capabilities based on the version tag given by the kernel. The
    kernel might be somewhat backwards compatible, but don't bet on