diff --git a/CHANGES b/CHANGES
index dcef796..82741a5 100644
--- a/CHANGES
+++ b/CHANGES
@@ -3,6 +3,9 @@ Testing:
 	test.sh now produces a list of tests that could not be performed for
 	any reason. This helps to analyse these cases.
 
+	OpenSSL s_server appearently started to neglect TCPs half close feature.
+	Test OPENSSL_TCP4 has been changed to tolerate this.
+
 ####################### V 1.7.3.4:
 
 Corrections:
diff --git a/VERSION b/VERSION
index 0c0b8c9..5bd265d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-"1.7.3.4"
+"1.7.3.4+"
diff --git a/test.sh b/test.sh
index 3df483d..03da9f9 100755
--- a/test.sh
+++ b/test.sh
@@ -4145,7 +4145,9 @@ eval "$CMD2 2>\"${te}1\" &"
 pid=$!	# background process id
 # this might timeout when openssl opens tcp46 port like " :::$PORT"
 waittcp4port $PORT
-echo "$da" |$CMD >$tf 2>"${te}2"
+#echo "$da" |$CMD >$tf 2>"${te}2"
+#note: with about OpenSSL 1.1 s_server lost the half close feature, thus:
+(echo "$da"; sleep 0.1) |$CMD >$tf 2>"${te}2"
 if ! echo "$da" |diff - "$tf" >"$tdiff"; then
     $PRINTF "$FAILED: $TRACE $SOCAT:\n"
     echo "$CMD2 &"