diff --git a/cipherscan b/cipherscan
index ac71ced..f738858 100755
--- a/cipherscan
+++ b/cipherscan
@@ -72,7 +72,7 @@ EOF
 )
         current_cipher=$(grep "New, " <<<"$tmp"|awk '{print $5}')
         current_pfs=$(grep 'Server Temp Key' <<<"$tmp"|awk '{print $4$5$6$7}')
-        current_protocol=$(grep -E "^\s+Protocol\s+:" <<<"$tmp"|awk '{print $3}')
+        current_protocol=$(egrep "^\s+Protocol\s+:" <<<"$tmp"|awk '{print $3}')
         if [[ -z "$current_protocol" || "$current_cipher" == '(NONE)' ]]; then
             # connection failed, try again with next TLS version
             continue