diff --git a/terminal.c b/terminal.c
index e55230b4..bcb8a868 100644
--- a/terminal.c
+++ b/terminal.c
@@ -247,6 +247,9 @@ fdm_ptmx(struct fdm *fdm, int fd, int events, void *data)
 
             LOG_ERRNO("failed to read from pseudo terminal");
             return false;
+        } else if (count == 0) {
+            /* Reached end-of-file */
+            break;
         }
 
         vt_from_slave(term, buf, count);