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-rw-r--r--Src/utils.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Src/utils.c b/Src/utils.c
index 686a46fbf..b7b8d1295 100644
--- a/Src/utils.c
+++ b/Src/utils.c
@@ -1373,7 +1373,7 @@ read_poll(int fd, int *readchar, int polltty)
 #endif
 #endif
 
-    if (ret <= 0) {
+    if (ret < 0) {
 	/*
 	 * Final attempt: set non-blocking read and try to read a character.
 	 * Praise Bill, this works under Cygwin (nothing else seems to).