doc/news.rst |  2 ++
 pyderasn.py  | 12 +++++++++++-

diff --git a/doc/news.rst b/doc/news.rst
index 0318df6d3df6b8fee77fc54ed715f81e346e28b311d2297ddc29c7f04effd0b5..d7a2b5ddf9492dfbbd7b0d19c5649b9e4bd00f92e545b8f54d3366076291b4a7 100644
--- a/doc/news.rst
+++ b/doc/news.rst
@@ -6,6 +6,8 @@
 5.6
 ---
 * Convenient ``.decod()`` method, that raises if tail is not empty
+* Control characters (like newlines) of text fields in pprinted output
+  are escaped
 
 .. _release5.5:
 
diff --git a/pyderasn.py b/pyderasn.py
index e753744d32eccfcd6ba2f87eada13bd2ea2b70aa2358c6a4ce46da279b8a632f..f4bc82b8bd7a308402364f4c62acbb5cbc09e928f269e21b8082c7ee6047a42a 100755
--- a/pyderasn.py
+++ b/pyderasn.py
@@ -655,6 +655,7 @@ from math import ceil
 from os import environ
 from string import ascii_letters
 from string import digits
+from unicodedata import category as unicat
 
 from six import add_metaclass
 from six import binary_type
@@ -3590,6 +3591,12 @@             _specs=self.specs,
         )
 
 
+def escape_control_unicode(c):
+    if unicat(c).startswith("C"):
+        c = repr(c).lstrip("u").strip("'")
+    return c
+
+
 class CommonString(OctetString):
     """Common class for all strings
 
@@ -3708,7 +3715,10 @@
     def pps(self, decode_path=(), no_unicode=False):
         value = None
         if self.ready:
-            value = hexenc(bytes(self)) if no_unicode else self.__unicode__()
+            value = (
+                hexenc(bytes(self)) if no_unicode else
+                "".join(escape_control_unicode(c) for c in self.__unicode__())
+            )
         yield _pp(
             obj=self,
             asn1_type_name=self.asn1_type_name,