diff --git a/eden/common/telemetry/SubprocessScribeLogger.cpp b/eden/common/telemetry/SubprocessScribeLogger.cpp
index c064b0c..c2a6edc 100644
--- a/eden/common/telemetry/SubprocessScribeLogger.cpp
+++ b/eden/common/telemetry/SubprocessScribeLogger.cpp
@@ -8,6 +8,7 @@
 #include "eden/common/telemetry/SubprocessScribeLogger.h"
 
 #include <folly/logging/xlog.h>
+#include <folly/portability/Unistd.h>
 #include <folly/system/ThreadName.h>
 
 namespace {
diff --git a/eden/common/utils/FileDescriptor.h b/eden/common/utils/FileDescriptor.h
index 2e36a7e..2e49f6b 100644
--- a/eden/common/utils/FileDescriptor.h
+++ b/eden/common/utils/FileDescriptor.h
@@ -9,6 +9,7 @@
 
 #include <folly/Try.h>
 #include <folly/portability/IOVec.h>
+#include <folly/portability/SysTypes.h>
 
 #include "eden/common/utils/PathFuncs.h"