1 files changed, 1 insertions, 0 deletions
diff --git a/ping.h b/ping.h
index 5cae8b5..ed8a566 100644
--- a/ping.h
+++ b/ping.h
@@ -15,6 +15,7 @@
 #include <sys/uio.h>
 #include <ctype.h>
 #include <errno.h>
+#include <error.h>
 #include <string.h>
 #include <netdb.h>
 #include <setjmp.h>