diff --git a/Makefile b/Makefile
index 090c5ee..13ba925 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@ $(BINARY):      $(OBJS)
 		$(CC) $(CFLAGS) $(INCLUDES) -c $< -o $@
 
 clean:
-		rm -rf $(DIST).tgz $(OBJS) $(BINARY) *~ 
+		rm -rf $(DIST)-*.txz $(OBJS) $(BINARY) *~ 
 
 dist:		clean
 		cd ..; \
diff --git a/sha3.c b/sha3.c
index 8376423..6005671 100644
--- a/sha3.c
+++ b/sha3.c
@@ -152,7 +152,7 @@ int sha3_final(void *md, sha3_ctx_t *c)
 
 // compute a SHA-3 hash (md) of given byte length from "in"
 
-void *sha3(const uint8_t *in, size_t inlen, void *md, int mdlen)
+void *sha3(const void *in, size_t inlen, void *md, int mdlen)
 {
     sha3_ctx_t sha3;
 
diff --git a/sha3.h b/sha3.h
index 3a99308..ab86bde 100644
--- a/sha3.h
+++ b/sha3.h
@@ -30,7 +30,7 @@ int sha3_update(sha3_ctx_t *c, const void *data, size_t len);
 int sha3_final(void *md, sha3_ctx_t *c);    // digest goes to md
 
 // compute a sha3 hash (md) of given byte length from "in"
-void *sha3(const uint8_t *in, size_t inlen, void *md, int mdlen);
+void *sha3(const void *in, size_t inlen, void *md, int mdlen);
 
 #endif