diff --git a/src/A3.cpp b/src/A3.cpp
index 5f334e7f8..a6aaa9846 100644
--- a/src/A3.cpp
+++ b/src/A3.cpp
@@ -279,6 +279,9 @@ bool A3::is_command (
 // Add an Arg for every word from std::cin.
 void A3::append_stdin ()
 {
+  // Delay, to give it a chance to buffer the input.
+  delay (0.01);
+
   // Use 'select' to determine whether there is any std::cin content buffered
   // before trying to read it, to prevent blocking.
   struct timeval tv;