diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 89099aedf5..823a77d681 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -11045,7 +11045,7 @@ run_test  "DTLS-SRTP all profiles supported. server doesn't support mki." \
           -c "selected srtp profile" \
           -c "DTLS-SRTP key material is"\
           -c "DTLS-SRTP no mki value negotiated"\
-          -g "find_in_both '^ *Keying material: [0-9A-F]*$'"\
+          -g "find_in_both '^ *Keying material: [0-9A-F]*\$'"\
           -c "dumping 'sending mki' (8 bytes)" \
           -C "dumping 'received mki' (8 bytes)" \
           -C "error"
@@ -11061,7 +11061,7 @@ run_test  "DTLS-SRTP all profiles supported. openssl client." \
           -s "selected srtp profile" \
           -s "server hello, adding use_srtp extension" \
           -s "DTLS-SRTP key material is"\
-          -g "find_in_both '^ *Keying material: [0-9A-F]*$'"\
+          -g "find_in_both '^ *Keying material: [0-9A-F]*\$'"\
           -c "SRTP Extension negotiated, profile=SRTP_AES128_CM_SHA1_80"
 
 requires_config_enabled MBEDTLS_SSL_DTLS_SRTP