diff --git a/usr.sbin/pkg_install/info/show.c b/usr.sbin/pkg_install/info/show.c
index 640a1ed8005e..e26888d1a89c 100644
--- a/usr.sbin/pkg_install/info/show.c
+++ b/usr.sbin/pkg_install/info/show.c
@@ -233,7 +233,7 @@ show_size(const char *title, Package *plist)
     char tmp[FILENAME_MAX];
     unsigned long size = 0;
     long blksize;
-    size_t headerlen;
+    int headerlen;
     char *descr;
 
     descr = getbsize(&headerlen, &blksize);