diff --git a/src/register/hei_operator_register.hpp b/src/register/hei_operator_register.hpp
index ee2519c..6161ed1 100755
--- a/src/register/hei_operator_register.hpp
+++ b/src/register/hei_operator_register.hpp
@@ -1,3 +1,4 @@
+// clang-format off
 #pragma once
 
 #include <algorithm>
@@ -437,4 +438,4 @@
 };
 
 } // end namespace libhei
-
+// clang-format on
diff --git a/src/register/iipCaptureData.h b/src/register/iipCaptureData.h
index b37036d..e47b5bc 100755
--- a/src/register/iipCaptureData.h
+++ b/src/register/iipCaptureData.h
@@ -1,3 +1,4 @@
+// clang-format off
 /* IBM_PROLOG_BEGIN_TAG                                                   */
 /* This is an automatically generated prolog.                             */
 /*                                                                        */
@@ -402,3 +403,4 @@
 } // end namespace libhei
 
 #endif
+// clang-format on
diff --git a/src/register/prdfCaptureData.C b/src/register/prdfCaptureData.C
index 190de9d..d6777aa 100755
--- a/src/register/prdfCaptureData.C
+++ b/src/register/prdfCaptureData.C
@@ -1,3 +1,4 @@
+// clang-format off
 /* IBM_PROLOG_BEGIN_TAG                                                   */
 /* This is an automatically generated prolog.                             */
 /*                                                                        */
@@ -401,4 +402,4 @@
 }
 
 } // end namespace libhei
-
+// clang-format on