1 files changed, 1 insertions, 1 deletions
diff --git a/builtins/psize.c b/builtins/psize.c
index 30881fb..0afe799 100644
--- a/builtins/psize.c
+++ b/builtins/psize.c
@@ -42,7 +42,7 @@
 #include "../sig.h"
 
 #ifndef errno
-extern int errno;
+#include <errno.h>
 #endif
 
 int nw;