Index: lib/class.tx_dam_indexing.php
===================================================================
--- lib/class.tx_dam_indexing.php	(Revision 48358)
+++ lib/class.tx_dam_indexing.php	(Arbeitskopie)
@@ -1508,6 +1508,29 @@
 			$meta['fields']['width'] = intval(round($meta['fields']['hpixels']/$meta['fields']['hres']*25.4));
 			$meta['fields']['height'] = intval(round($meta['fields']['vpixels']/$meta['fields']['vres']*25.4));
 		}
+		
+			// Set correct color_space in base of PhotometricInterpretation
+			// PhotometricInterpretation: 2 (RGB), 5 (CMYK), CMYK
+			// @see http://www.awaresystems.be/imaging/tiff/tifftags/photometricinterpretation.html
+		$photometricInterpretation = $metaInfo['fields']['meta']['XMP']['PhotometricInterpretation'];
+		$photometricInterpretationList = '2,5,CMYK';
+		if ($photometricInterpretation
+			&& $meta['fields']['color_space']
+			&& t3lib_div::inList($photometricInterpretationList, $photometricInterpretation)
+			&& $photometricInterpretation != $meta['fields']['color_space']) {
+
+			switch($photometricInterpretation) {
+					// RGB
+				case 2:
+					$meta['fields']['color_space'] = 'RGB';
+					break;
+					// CMYK
+				case 5:
+				case 'CMYK':
+					$meta['fields']['color_space'] = 'CMYK';
+					break;
+			}
+		}
 
 		if ($this->writeDevLog) 	t3lib_div::devLog('getImageDimensions(): '.$meta['fields']['hpixels'].'x'.$meta['fields']['vpixels'], 'tx_dam_indexing', 0, $meta);