1 files changed, 1 insertions, 0 deletions
diff --git a/syslogd.h b/syslogd.h
index 99ce63f2..080f15e2 100644
--- a/syslogd.h
+++ b/syslogd.h
@@ -24,6 +24,7 @@
 #include "objomsr.h"
 
 #ifdef USE_NETZIP
+#include <unistd.h>
 #include <zlib.h>
 /* config param: minimum message size to try compression. The smaller
  * the message, the less likely is any compression gain. We check for