diff --git a/Misc/NEWS b/Misc/NEWS
index 2ac04c9..67f417a 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
 Core and builtins
 -----------------
 
+- Bug #1678647: write a newline after printing an exception in any
+  case, even when converting the value to a string failed.
+
 - The dir() function has been extended to call the __dir__() method on
   its argument, if it exists. If not, it will work like before. This allows
   customizing the output of dir() in the presence of a __getattr__().
diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 454afe4..3a9e75e 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -1226,8 +1226,8 @@
 			  err = PyFile_WriteObject(s, f, Py_PRINT_RAW);
 			Py_XDECREF(s);
 		}
-		if (err == 0)
-			err = PyFile_WriteString("\n", f);
+		/* try to write a newline in any case */
+		err += PyFile_WriteString("\n", f);
 	}
 	Py_DECREF(value);
 	/* If an error happened here, don't show it.