diff --git a/apps/s_client.c b/apps/s_client.c
index eae12871abb273e69d60e489a358c739af5f849b..3474e6c6a74df4458cdd5583254fcdf43b59a602 100644
--- a/apps/s_client.c
+++ b/apps/s_client.c
@@ -861,7 +861,7 @@ bad:
 /*	SSL_set_cipher_list(con,"RC4-MD5"); */
 #if 0
 #ifdef TLSEXT_TYPE_opaque_prf_input
-	SSL_set_tlsext_opaque_prf_input(con, "Test client", 1);
+	SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
 #endif
 #endif
 
diff --git a/apps/s_server.c b/apps/s_server.c
index 0cfdf6afde374384a2e047195b21281bac11e1b0..3b99a620dab44be649967248c958d5450c6a30d5 100644
--- a/apps/s_server.c
+++ b/apps/s_server.c
@@ -1577,7 +1577,7 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 	SSL_clear(con);
 #if 0
 #ifdef TLSEXT_TYPE_opaque_prf_input
-	SSL_set_tlsext_opaque_prf_input(con, "Test server", 1);
+	SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
 #endif
 #endif