diff --git a/src/logger/lib/logger.c b/src/logger/lib/logger.c
index 9968689..09241cd 100644
--- a/src/logger/lib/logger.c
+++ b/src/logger/lib/logger.c
@@ -4,6 +4,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <fcntl.h>
+#include <unistd.h>
 #include <dirent.h>
 #include <time.h>
 #include <sys/stat.h>