diff --git a/CHANGES/4175.bugfix b/CHANGES/4175.bugfix
new file mode 100644
index 00000000000..c8a20753352
--- /dev/null
+++ b/CHANGES/4175.bugfix
@@ -0,0 +1 @@
+Fix the string representation of `ServerDisconnectedError`.
diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
index 9a8979f2c0f..b7e05b07a13 100644
--- a/CONTRIBUTORS.txt
+++ b/CONTRIBUTORS.txt
@@ -129,6 +129,7 @@ Jake Davis
 Jakob Ackermann
 Jakub Wilk
 Jashandeep Sohi
+Jens Steinhauser
 Jeongkyu Shin
 Jeroen van der Heijden
 Jesus Cea