diff -uNr dt.d/dtgen.c dt.d.hacked/dtgen.c
--- dt.d/dtgen.c	Sat Jan 22 16:52:18 2000
+++ dt.d.hacked/dtgen.c	Fri Aug 25 16:02:10 2000
@@ -423,7 +423,11 @@
     }
 #else /* !defined(_QNX_SOURCE) */
     if ( (stdout_flag == FALSE) &&
-	 (dip->di_dtype->dt_dtype != DT_TAPE) ) {
+#if defined(__linux__)
+	 (dip->di_dtype->dt_dtype != DT_TAPE) && (dip->di_dtype->dt_dtype != DT_FIFO) ) {
+#else
+      (dip->di_dtype->dt_dtype != DT_TAPE) ) {
+#endif
 	if ((status = fsync (fd)) < 0) { /* Force data to disk. */
 	    report_error ("fsync", FALSE);
 	}