diff --git a/security/commoncap.c b/security/commoncap.c
index 5d5f64b..1d0010b 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -28,6 +28,7 @@
 #include <linux/prctl.h>
 #include <linux/securebits.h>
 #include <linux/syslog.h>
+#include <linux/personality.h>

 /*
  * If a non-root user executes a setuid-root binary in