diff --git a/include/khash.h b/include/khash.h
index 59d7acd..39b1a5d 100644
--- a/include/khash.h
+++ b/include/khash.h
@@ -1,3 +1,4 @@
+
 #ifndef _KHASH_H
 #define _KHASH_H
 
@@ -38,6 +39,7 @@ extern "C" {
   /// A valid context for khash functinos. Instantiated with `khash_new_context`.
   typedef struct {
     uint8_t algo;
+    uint64_t flags;
     khash_salt salt;
   } khash_ctx;
 
diff --git a/src/ctx.rs b/src/ctx.rs
index b77a8d9..f673523 100644
--- a/src/ctx.rs
+++ b/src/ctx.rs
@@ -74,6 +74,7 @@ impl Context
 	CContext{ 
 	    algo: u8::from(self.algo),
 	    salt: salt::into_raw(self.salt),
+	    flags: Default::default(),
 	}
     }
     
@@ -121,6 +122,7 @@ pub const ALGO_SHA256_TRUNCATED: u8 = 4;
 pub struct CContext
 {
     algo: u8,
+    flags: u64, //nothing yet, might be flags later idk
     salt: salt::FFI,
     
 }