diff --git a/compiler-rt/lib/profile/InstrProfilingUtil.c b/compiler-rt/lib/profile/InstrProfilingUtil.c
index 343e836d049e..13301f341fc5 100644
--- a/compiler-rt/lib/profile/InstrProfilingUtil.c
+++ b/compiler-rt/lib/profile/InstrProfilingUtil.c
@@ -12,6 +12,7 @@
 #include <windows.h>
 #include "WindowsMMap.h"
 #else
+#include <sys/file.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>