diff --git a/ctaocrypt/benchmark/benchmark.c b/ctaocrypt/benchmark/benchmark.c
index 018bd7bf7..730942684 100644
--- a/ctaocrypt/benchmark/benchmark.c
+++ b/ctaocrypt/benchmark/benchmark.c
@@ -6,7 +6,7 @@
 
 #include "ctc_des3.h"
 #include "ctc_arc4.h"
-#include "hc128.h"
+#include "ctc_hc128.h"
 #include "rabbit.h"
 #include "ctc_aes.h"
 #include "ctc_md5.h"
diff --git a/ctaocrypt/include/hc128.h b/ctaocrypt/include/ctc_hc128.h
similarity index 98%
rename from ctaocrypt/include/hc128.h
rename to ctaocrypt/include/ctc_hc128.h
index 266ab12e7..d292ef3e4 100644
--- a/ctaocrypt/include/hc128.h
+++ b/ctaocrypt/include/ctc_hc128.h
@@ -1,4 +1,4 @@
-/* hc128.h
+/* ctc_hc128.h
  *
  * Copyright (C) 2006-2011 Sawtooth Consulting Ltd.
  *
diff --git a/ctaocrypt/src/hc128.c b/ctaocrypt/src/hc128.c
index 1ecb8f003..6cff68f18 100644
--- a/ctaocrypt/src/hc128.c
+++ b/ctaocrypt/src/hc128.c
@@ -22,7 +22,7 @@
 
 #ifndef NO_HC128
 
-#include "hc128.h"
+#include "ctc_hc128.h"
 #include "misc.c"
 
 
diff --git a/ctaocrypt/test/test.c b/ctaocrypt/test/test.c
index 3cfa07664..61a9e9094 100644
--- a/ctaocrypt/test/test.c
+++ b/ctaocrypt/test/test.c
@@ -19,7 +19,7 @@
 #include "ctc_hmac.h"
 #include "ctc_dh.h"
 #include "ctc_dsa.h"
-#include "hc128.h"
+#include "ctc_hc128.h"
 #include "rabbit.h"
 #include "pwdbased.h"
 #include "ctc_ripemd.h"
diff --git a/include/cyassl_int.h b/include/cyassl_int.h
index 685e511a0..02f4f5e32 100644
--- a/include/cyassl_int.h
+++ b/include/cyassl_int.h
@@ -28,7 +28,7 @@
 #include "ctc_types.h"
 #include "ctc_random.h"
 #include "ctc_des3.h"
-#include "hc128.h"
+#include "ctc_hc128.h"
 #include "rabbit.h"
 #include "ctc_asn.h"
 #include "ctc_md5.h"