diff --git a/EmulatedVolume.cpp b/EmulatedVolume.cpp
index 581c322..44ad22a 100644
--- a/EmulatedVolume.cpp
+++ b/EmulatedVolume.cpp
@@ -27,6 +27,7 @@
 #include <sys/mount.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <sys/sysmacros.h>
 #include <sys/wait.h>
 
 using android::base::StringPrintf;