1 files changed, 1 insertions, 1 deletions
diff --git a/stream.c b/stream.c
index b401c911..549ad244 100644
--- a/stream.c
+++ b/stream.c
@@ -241,7 +241,7 @@ static val stdio_set_prop(val stream, val ind, val prop)
 {
   if (ind == real_time_k) {
     struct stdio_handle *h = (struct stdio_handle *) stream->co.handle;
-    h->is_real_time = prop ? 0 : 1;
+    h->is_real_time = prop ? 1 : 0;
     return t;
   }
   return nil;