diff --git a/usr.bin/locate/locate/fastfind.c b/usr.bin/locate/locate/fastfind.c
index d67c6c776f67..0dbec4ea15d3 100644
--- a/usr.bin/locate/locate/fastfind.c
+++ b/usr.bin/locate/locate/fastfind.c
@@ -296,7 +296,7 @@ fastfind
 			}
 
 			if (p - path >= LOCATE_PATH_MAX) 
-				errx(1, "corrupted database: %s %d", database, (int)(p - path));
+				errx(1, "corrupted database: %s %zu", database, (size_t)(p - path));
 
 		}