diff --git a/src/basic/missing_fs.h b/src/basic/missing_fs.h
index 48c1af0458f..c262a918126 100644
--- a/src/basic/missing_fs.h
+++ b/src/basic/missing_fs.h
@@ -61,3 +61,7 @@
 #ifndef NS_GET_NSTYPE /* d95fa3c76a66b6d76b1e109ea505c55e66360f3c (4.11) */
 #define NS_GET_NSTYPE _IO(0xb7, 0x3)
 #endif
+
+#ifndef FS_PROJINHERIT_FL
+#define FS_PROJINHERIT_FL 0x20000000
+#endif