diff --git a/lib/lazperf_adapter.h b/lib/lazperf_adapter.h
new file mode 100644
index 0000000..368c000
--- /dev/null
+++ b/lib/lazperf_adapter.h
@@ -0,0 +1,25 @@
+/***********************************************************************
+* lazperf_adapter.h
+*
+*  PgSQL Pointcloud is free and open source software provided
+*  by the Government of Canada
+*
+*  Copyright (c) 2013 Natural Resources Canada
+*  Copyright (c) 2013 OpenGeo
+*  Copyright (c) 2017 Oslandia
+*
+***********************************************************************/
+
+#ifndef _LAZPERF_ADAPTER_H
+#define _LAZPERF_ADAPTER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+size_t lazperf_compress_from_uncompressed(const PCPATCH_UNCOMPRESSED *pa, uint8_t **compressed);
+size_t lazperf_uncompress_from_compressed(const PCPATCH_LAZPERF *pa, uint8_t **decompressed);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LAZPERF_ADAPTER_H */
diff --git a/lib/lazperf_adapter.hpp b/lib/lazperf_adapter.hpp
index 6a4c689..3a0a9bf 100644
--- a/lib/lazperf_adapter.hpp
+++ b/lib/lazperf_adapter.hpp
@@ -23,11 +23,7 @@
 /**********************************************************************
 * C API
 */
-extern "C" {
-	size_t lazperf_compress_from_uncompressed(const PCPATCH_UNCOMPRESSED *pa, uint8_t **compressed);
-
-	size_t lazperf_uncompress_from_compressed(const PCPATCH_LAZPERF *pa, uint8_t **decompressed);
-}
+#include "lazperf_adapter.h"
 
 /**********************************************************************
 * INTERNAL CPP
diff --git a/lib/pc_patch_lazperf.c b/lib/pc_patch_lazperf.c
index 075d720..1bd3629 100644
--- a/lib/pc_patch_lazperf.c
+++ b/lib/pc_patch_lazperf.c
@@ -9,6 +9,7 @@
 ***********************************************************************/
 
 #include "pc_api_internal.h"
+#include "lazperf_adapter.h"
 #include <assert.h>
 
 void