diff --git a/engine/common/imagelib/imagelib.h b/engine/common/imagelib/imagelib.h
index 9cb4c51c..01c4d9dd 100644
--- a/engine/common/imagelib/imagelib.h
+++ b/engine/common/imagelib/imagelib.h
@@ -105,6 +105,12 @@ typedef struct imglib_s
 
 ========================================================================
 */
+
+#define BI_SIZE 40 // size of bitmap info header.
+#if !defined(BI_RGB)
+#define BI_RGB 0 // uncompressed RGB bitmap(defined in wingdi.h)
+#endif
+
 #pragma pack( 1 )
 typedef struct
 {
diff --git a/engine/common/imagelib/img_bmp.c b/engine/common/imagelib/img_bmp.c
index cb3b5dd1..3886db72 100644
--- a/engine/common/imagelib/img_bmp.c
+++ b/engine/common/imagelib/img_bmp.c
@@ -16,18 +16,6 @@ GNU General Public License for more details.
 #include "imagelib.h"
 #include "mathlib.h"
 
-#define BI_SIZE	40 //size of bitmap info header.
-#if !XASH_WIN32
-#define BI_RGB 0
-
-typedef struct tagRGBQUAD {
-	BYTE rgbBlue;
-	BYTE rgbGreen;
-	BYTE rgbRed;
-	BYTE rgbReserved;
-} RGBQUAD;
-#endif
-
 /*
 =============
 Image_LoadBMP
@@ -36,7 +24,7 @@ Image_LoadBMP
 qboolean Image_LoadBMP( const char *name, const byte *buffer, fs_offset_t filesize )
 {
 	byte	*buf_p, *pixbuf;
-	byte	palette[256][4];
+	rgba_t	palette[256];
 	int	i, columns, column, rows, row, bpp = 1;
 	int	cbPalBytes = 0, padSize = 0, bps = 0;
 	int	reflectivity[3] = { 0, 0, 0 };
@@ -103,9 +91,9 @@ qboolean Image_LoadBMP( const char *name, const byte *buffer, fs_offset_t filesi
 		if( bhdr.colors == 0 )
 		{
 			bhdr.colors = 256;
-			cbPalBytes = ( 1 << bhdr.bitsPerPixel ) * sizeof( RGBQUAD );
+			cbPalBytes = ( 1 << bhdr.bitsPerPixel ) * sizeof( rgba_t );
 		}
-		else cbPalBytes = bhdr.colors * sizeof( RGBQUAD );
+		else cbPalBytes = bhdr.colors * sizeof( rgba_t );
 	}
 
 	memcpy( palette, buf_p, cbPalBytes );
@@ -308,7 +296,7 @@ qboolean Image_SaveBMP( const char *name, rgbdata_t *pix )
 {
 	file_t		*pfile = NULL;
 	size_t		total_size, cur_size;
-	RGBQUAD		rgrgbPalette[256];
+	rgba_t		rgrgbPalette[256];
 	dword		cbBmpBits;
 	byte		*clipbuf = NULL;
 	byte		*pb, *pbBmpBits;
@@ -349,7 +337,7 @@ qboolean Image_SaveBMP( const char *name, rgbdata_t *pix )
 	// after create sprite or lump image, it's just standard requiriments 
 	biTrueWidth = ((pix->width + 3) & ~3);
 	cbBmpBits = biTrueWidth * pix->height * pixel_size;
-	cbPalBytes = ( pixel_size == 1 ) ? 256 * sizeof( RGBQUAD ) : 0;
+	cbPalBytes = ( pixel_size == 1 ) ? 256 * sizeof( rgba_t ) : 0;
 
 	// Bogus file header check
 	hdr.id[0] = 'B';
@@ -379,15 +367,15 @@ qboolean Image_SaveBMP( const char *name, rgbdata_t *pix )
 		// copy over used entries
 		for( i = 0; i < (int)hdr.colors; i++ )
 		{
-			rgrgbPalette[i].rgbRed = *pb++;
-			rgrgbPalette[i].rgbGreen = *pb++;
-			rgrgbPalette[i].rgbBlue = *pb++;
+			rgrgbPalette[i][2] = *pb++;
+			rgrgbPalette[i][1] = *pb++;
+			rgrgbPalette[i][0] = *pb++;
 
 			// bmp feature - can store 32-bit palette if present
 			// some viewers e.g. fimg.exe can show alpha-chanell for it
 			if( pix->type == PF_INDEXED_32 )
-				rgrgbPalette[i].rgbReserved = *pb++;
-			else rgrgbPalette[i].rgbReserved = 0;
+				rgrgbPalette[i][3] = *pb++;
+			else rgrgbPalette[i][3] = 0;
 		}
 
 		// write palette
diff --git a/engine/common/imagelib/img_tga.c b/engine/common/imagelib/img_tga.c
index 85c1d0bb..36c1900f 100644
--- a/engine/common/imagelib/img_tga.c
+++ b/engine/common/imagelib/img_tga.c
@@ -25,7 +25,8 @@ qboolean Image_LoadTGA( const char *name, const byte *buffer, fs_offset_t filesi
 {
 	int	i, columns, rows, row_inc, row, col;
 	byte	*buf_p, *pixbuf, *targa_rgba;
-	byte	palette[256][4], red = 0, green = 0, blue = 0, alpha = 0;
+	rgba_t	palette[256];
+	byte	red = 0, green = 0, blue = 0, alpha = 0;
 	int	readpixelcount, pixelcount;
 	int	reflectivity[3] = { 0, 0, 0 };
 	qboolean	compressed;