Index: uspace/app/klog/klog.c
===================================================================
--- uspace/app/klog/klog.c	(revision 6119f247f3183c16bdfe692a5c235f69d6c726ff)
+++ uspace/app/klog/klog.c	(revision 74c8f34494162616317c01dd0cbff697b306111a)
@@ -118,9 +118,5 @@
 	}
 	
-	/*
-	 * Mode "a" would be definitively much better here, but it is
-	 * not well supported by the FAT driver.
-	 */
-	log = fopen(LOG_FNAME, "w");
+	log = fopen(LOG_FNAME, "a");
 	if (log == NULL)
 		printf("%s: Unable to create log file %s (%s)\n", NAME, LOG_FNAME,