Index: src/OFThread.m
==================================================================
--- src/OFThread.m
+++ src/OFThread.m
@@ -250,10 +250,21 @@
 #elif defined(OF_NINTENDO_3DS)
 	if (timeInterval * 1000000000 > INT64_MAX)
 		@throw [OFOutOfRangeException exception];
 
 	svcSleepThread((int64_t)(timeInterval * 1000000000));
+#elif defined(OF_AMIGAOS)
+	struct timerequest request = *DOSBase->dl_TimeReq;
+
+	request.tr_node.io_Message.mn_ReplyPort =
+	    &((struct Process *)FindTask(NULL))->pr_MsgPort;
+	request.tr_node.io_Command = TR_ADDREQUEST;
+	request.tr_time.tv_secs = (ULONG)timeInterval;
+	request.tr_time.tv_micro = (ULONG)
+	    ((timeInterval - (unsigned int)timeInterval) * 1000000);
+
+	DoIO((struct IORequest *)&request);
 #elif defined(HAVE_NANOSLEEP)
 	struct timespec rqtp;
 
 	rqtp.tv_sec = (time_t)timeInterval;
 	rqtp.tv_nsec = (long)((timeInterval - rqtp.tv_sec) * 1000000000);
@@ -260,15 +271,10 @@
 
 	if (rqtp.tv_sec != trunc(timeInterval))
 		@throw [OFOutOfRangeException exception];
 
 	nanosleep(&rqtp, NULL);
-#elif defined(OF_AMIGAOS)
-	if (timeInterval * 50 > ULONG_MAX)
-		@throw [OFOutOfRangeException exception];
-
-	Delay(timeInterval * 50);
 #elif defined(OF_NINTENDO_DS)
 	uint64_t counter;
 
 	if (timeInterval > UINT64_MAX / 60)
 		@throw [OFOutOfRangeException exception];
@@ -280,11 +286,11 @@
 	if (timeInterval > UINT_MAX)
 		@throw [OFOutOfRangeException exception];
 
 	sleep((unsigned int)timeInterval);
 	usleep((unsigned int)
-	    (timeInterval - (unsigned int)timeInterval) * 1000000);
+	    ((timeInterval - (unsigned int)timeInterval) * 1000000));
 #endif
 }
 
 + (void)sleepUntilDate: (OFDate *)date
 {