diff --git a/src/zm_stream.cpp b/src/zm_stream.cpp
index 4b7ddc05e..0fb8f001a 100644
--- a/src/zm_stream.cpp
+++ b/src/zm_stream.cpp
@@ -26,6 +26,7 @@
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <unistd.h>
+#include <fcntl.h>
 
 StreamBase::~StreamBase() {
 #if HAVE_LIBAVCODEC