1 files changed, 1 insertions, 0 deletions

diff --git a/format.c b/format.c
index 619f89fe..105212a3 100644
--- a/format.c
+++ b/format.c
@@ -17,6 +17,7 @@
  */
 
 #include <sys/types.h>
+#include <sys/param.h>
 
 #include <ctype.h>
 #include <errno.h>