diff --git a/elf/dl-usage.c b/elf/dl-usage.c
index c07f438..796ad38 100644
--- a/elf/dl-usage.c
+++ b/elf/dl-usage.c
@@ -22,6 +22,7 @@
 #include <unistd.h>
 #include "version.h"
 
+#include <dl-procinfo.h>
 #include <dl-hwcaps.h>
 
 void