diff --git a/source/FileWatcherLinux.cpp b/source/FileWatcherLinux.cpp
index 618620b..8ee669b 100644
--- a/source/FileWatcherLinux.cpp
+++ b/source/FileWatcherLinux.cpp
@@ -31,6 +31,7 @@
 #include <string.h>
 #include <stdio.h>
 #include <errno.h>
+#include <unistd.h> // read
 #include <sys/inotify.h>
 
 #define BUFF_SIZE ((sizeof(struct inotify_event)+FILENAME_MAX)*1024)