diff --git a/ChangeLog b/ChangeLog
index d9852ab95c..d3560ade54 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2019-02-14  Jan Kratochvil <jan.kratochvil@redhat.com>
+
+	* scripts/test_printers_common.py: Set TERM to a known harmless
+	value.
+
 2019-02-14  Joseph Myers  <joseph@codesourcery.com>
 
 	* sunrpc/xdr.c (xdr_int): Add fall-through comment.
diff --git a/scripts/test_printers_common.py b/scripts/test_printers_common.py
index dada6aadde..b2bd4ba1cc 100644
--- a/scripts/test_printers_common.py
+++ b/scripts/test_printers_common.py
@@ -60,6 +60,10 @@ TIMEOUTFACTOR = os.environ.get('TIMEOUTFACTOR')
 if TIMEOUTFACTOR:
     timeout = int(TIMEOUTFACTOR)
 
+# Otherwise GDB is run in interactive mode and readline may send escape
+# sequences confusing output for pexpect.
+os.environ["TERM"]="dumb"
+
 try:
     # Check the gdb version.
     version_cmd = '{0} --version'.format(gdb_invocation, timeout=timeout)