diff --git a/lib/zebra.h b/lib/zebra.h
index 62566cf..15608db 100644
--- a/lib/zebra.h
+++ b/lib/zebra.h
@@ -42,6 +42,8 @@
 #include <fcntl.h>
 #include <signal.h>
 #include <string.h>
+#include <pwd.h>
+#include <grp.h>
 #ifdef HAVE_STROPTS_H
 #include <stropts.h>
 #endif /* HAVE_STROPTS_H */
@@ -70,6 +72,10 @@
 #ifdef HAVE_RUSAGE
 #include <sys/resource.h>
 #endif /* HAVE_RUSAGE */
+#ifdef HAVE_LCAPS
+#include <sys/capability.h>
+#include <sys/prctl.h>
+#endif /* HAVE_LCAPS */
 
 /* machine dependent includes */
 #ifdef SUNOS_5