diff --git a/doc/Changelog b/doc/Changelog
index 8c7483f88..6823a60ba 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,3 +1,7 @@
+5 October 2022: George
+	- Use DEBUG_TDIR from environment in mini_tdir.sh for debugging.
+	- Fix string comparison in mini_tdir.sh.
+
 4 October 2022: George
 	- Merge #764: Leniency for target discovery when under load (for
 	  NRDelegation changes).
diff --git a/testcode/mini_tdir.sh b/testcode/mini_tdir.sh
index 3b0719369..624ecdf7f 100755
--- a/testcode/mini_tdir.sh
+++ b/testcode/mini_tdir.sh
@@ -8,6 +8,7 @@ fi
 
 # This will keep the temporary directory around and return 1 when the test failed.
 DEBUG=0
+test -n "$DEBUG_TDIR" && DEBUG=1
 
 quiet=0
 if test "$1" = "-q"; then
@@ -213,7 +214,7 @@ if test $DEBUG -eq 0; then
 		rm -rf $dir
 	fi
 else
-	if test $success == "no"; then
+	if test $success = "no"; then
 		exit 1
 	fi
 	exit 0