diff -up ghostscript-9.07/cups/gstoraster.c.cups-colord ghostscript-9.07/cups/gstoraster.c
--- ghostscript-9.07/cups/gstoraster.c.cups-colord	2013-07-01 17:06:10.977743028 +0100
+++ ghostscript-9.07/cups/gstoraster.c	2013-07-01 17:18:36.597852666 +0100
@@ -596,11 +596,21 @@ main (int argc, char **argv, char *envp[
 
   qualifier = colord_get_qualifier_for_ppd (ppd);
   if (qualifier != NULL) {
+		const char *env_printer = getenv("PRINTER");
+		char *device_id;
 
-    fprintf(stderr, "DEBUG: PPD uses qualifier '%s.%s.%s'\n",
-            qualifier[0], qualifier[1], qualifier[2]);
-    icc_profile = colord_get_profile_for_device_id (getenv("PRINTER"),
-                                                    (const char**) qualifier);
+		if (env_printer) {
+			device_id = malloc (5 + strlen (env_printer) + 1);
+			if (device_id) {
+				strcpy (device_id, "cups-");
+				strcpy (device_id + 5, env_printer);
+				fprintf(stderr, "DEBUG: PPD uses qualifier '%s.%s.%s'\n",
+								qualifier[0], qualifier[1], qualifier[2]);
+				icc_profile = colord_get_profile_for_device_id (device_id,
+																												(const char**) qualifier);
+				free (device_id);
+			}
+		}
 
     /* fall back to the PPD */
     if (icc_profile == NULL)