Index: main/logger.c
===================================================================
--- main/logger.c	(revision 81366)
+++ main/logger.c	(working copy)
@@ -569,6 +569,7 @@
 			f->fileptr = NULL;
 			if (rotate)
 				rotate_file(f->filename);
+			f->fileptr = fopen(f->filename, "a");
 		}
 	}