diff --git a/contexthubhal/NanohubHidlAdapter.cpp b/contexthubhal/NanohubHidlAdapter.cpp
index 671d781..669011e 100644
--- a/contexthubhal/NanohubHidlAdapter.cpp
+++ b/contexthubhal/NanohubHidlAdapter.cpp
@@ -24,6 +24,7 @@
 #include "NanohubHidlAdapter.h"
 #include "nanohub_perdevice.h"
 
+#include <fcntl.h>
 #include <inttypes.h>
 
 #include <log/log.h>
diff --git a/contexthubhal/system_comms.cpp b/contexthubhal/system_comms.cpp
index 3010699..01824af 100644
--- a/contexthubhal/system_comms.cpp
+++ b/contexthubhal/system_comms.cpp
@@ -31,6 +31,7 @@
 #include <log/log.h>
 
 #include <endian.h>
+#include <fcntl.h>
 #include <sys/stat.h>
 
 #include <media/stagefright/foundation/ADebug.h>