diff --git a/testssl.sh b/testssl.sh
index d911f47..734489c 100755
--- a/testssl.sh
+++ b/testssl.sh
@@ -204,7 +204,7 @@ HEADER_MAXSLEEP=${HEADER_MAXSLEEP:-5}   # we wait this long before killing the p
 MAX_WAITSOCK=${MAX_WAITSOCK:-10}        # waiting at max 10 seconds for socket reply. There shouldn't be any reason to change this.
 CCS_MAX_WAITSOCK=${CCS_MAX_WAITSOCK:-5} # for the two CCS payload (each). There shouldn't be any reason to change this.
 HEARTBLEED_MAX_WAITSOCK=${HEARTBLEED_MAX_WAITSOCK:-8}      # for the heartbleed payload. There shouldn't be any reason to change this.
-STARTTLS_SLEEP=${STARTTLS_SLEEP:-1}     # max time to wait on a socket replay for STARTTLS
+STARTTLS_SLEEP=${STARTTLS_SLEEP:-10}    # max time to wait on a socket replay for STARTTLS
 FAST_STARTTLS=${FAST_STARTTLS:-true}    # at the cost of reliabilty decrease the handshakes for STARTTLS
 USLEEP_SND=${USLEEP_SND:-0.1}           # sleep time for general socket send
 USLEEP_REC=${USLEEP_REC:-0.2}           # sleep time for general socket receive