diff --git a/proptest-regressions/dc_strencode.txt b/proptest-regressions/dc_strencode.txt
index 3ef09f145..9efcbce55 100644
--- a/proptest-regressions/dc_strencode.txt
+++ b/proptest-regressions/dc_strencode.txt
@@ -5,3 +5,4 @@
 # It is recommended to check this file in to source control so that
 # everyone who runs the test benefits from these saved cases.
 cc 679506fe9ac59df773f8cfa800fdab5f0a32fe49d2ab370394000a1aa5bc2a72 # shrinks to buf = "%0A"
+cc e34960438edb2426904b44fb4215154e7e2880f2fd1c3183b98bfcc76fec4882 # shrinks to input = " 0"