diff --git a/PHRQ_io.cpp b/PHRQ_io.cpp
index c57c4b7f..876a92f0 100644
--- a/PHRQ_io.cpp
+++ b/PHRQ_io.cpp
@@ -792,6 +792,7 @@ get_line(void)
 					continue;
 #else
 					output_msg(errstr.str().c_str());
+					output_flush();
 					error_msg(errstr.str().c_str(), OT_STOP);
 #endif
 				}