diff --git a/Jenkinsfile b/Jenkinsfile
index fa42698..3060123 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -5,7 +5,7 @@ pipeline {
 	}
 	environment {
 		CI_OUTPUT_NAME	= "RSETerrain"
-		CI_VERSION		= "2.0.2"
+		CI_VERSION		= "2.0.3"
 		CI_BUILD_NUMBER	= "$BUILD_NUMBER"
 	}
 	stages {
diff --git a/RSETerrain/src/RSETerrain.c b/RSETerrain/src/RSETerrain.c
index a344d72..fffb4f0 100644
--- a/RSETerrain/src/RSETerrain.c
+++ b/RSETerrain/src/RSETerrain.c
@@ -3,7 +3,7 @@
  * @date		23/08/2022
  * @author		JackCarterSmith
  * @copyright	GPL-v3.0
- * @brief		HMP model parser and export to Waveform OBJ format and grey-scale PNG heightmap.
+ * @brief		HMP terrain parser and export to Waveform OBJ format and grey-scale PNG heightmap.
  *
  */
 
diff --git a/RSETerrain/src/terrain_export.c b/RSETerrain/src/terrain_export.c
index c2f5b5d..5e766e3 100644
--- a/RSETerrain/src/terrain_export.c
+++ b/RSETerrain/src/terrain_export.c
@@ -10,10 +10,11 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <zlib.h>
+#include <png.h>
 #include "options.h"
 #include <RSPTerrain_datatypes.h>
 #include <RSPTerrain_errordefs.h>
-#include <png.h>
 #include "obj/obj.h"
 #include "terrain_export.h"
 
@@ -57,18 +58,27 @@ unsigned char exportHeightmapPNG(const T_RSPTERRAIN_HEIGHTMAP* heightmap, const
 		return RSPLIB_ERROR_MEMORY;
 	}
 
+	// Set compression level
+	png_set_compression_level(png_ptr, Z_BEST_COMPRESSION);
+
 	// Set image attributes
-	png_set_IHDR(png_ptr, info_ptr, heightmap->width * RSPTERRAINLIB_TILE_SAMPLING, heightmap->height * RSPTERRAINLIB_TILE_SAMPLING, 8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
+	png_set_IHDR(png_ptr, info_ptr,
+			heightmap->width * RSPTERRAINLIB_TILE_SAMPLING,
+			heightmap->height * RSPTERRAINLIB_TILE_SAMPLING,
+			8,
+			PNG_COLOR_TYPE_GRAY,
+			PNG_INTERLACE_NONE,
+			PNG_COMPRESSION_TYPE_DEFAULT,
+			PNG_FILTER_TYPE_DEFAULT
+		);
 
 	// Store PNG datas in buffer
 	row_ptrs = png_malloc(png_ptr, heightmap->height * RSPTERRAINLIB_TILE_SAMPLING * sizeof(png_byte *));
 	for ( z = 0; z < heightmap->height * RSPTERRAINLIB_TILE_SAMPLING; z++ ) {
-		png_byte *row = png_malloc(png_ptr, heightmap->width * RSPTERRAINLIB_TILE_SAMPLING * sizeof(unsigned char) * 3);
+		png_byte *row = png_malloc(png_ptr, heightmap->width * RSPTERRAINLIB_TILE_SAMPLING * sizeof(unsigned char));
 		row_ptrs[z] = row;
 		for ( x = 0; x < heightmap->width * RSPTERRAINLIB_TILE_SAMPLING; x++ ) {
 			*row++ = heightmap->heightmap[x][z];
-			*row++ = heightmap->heightmap[x][z];
-			*row++ = heightmap->heightmap[x][z];
 		}
 	}
 
diff --git a/RSPTerrainLib/src/RSPTerrain.c b/RSPTerrainLib/src/RSPTerrain.c
index c9f6465..578f51a 100644
--- a/RSPTerrainLib/src/RSPTerrain.c
+++ b/RSPTerrainLib/src/RSPTerrain.c
@@ -22,7 +22,6 @@ char* RSPTerrain_getVersion( void ) {
 	return PRG_VERSION;
 }
 
-
 unsigned short RSPTerrain_processHMPFile( T_RSPTERRAIN_HMP* hmpStruct, const char* const filePath,
 		const RSPTERRAIN_PARAMETERS params ) {