diff --git a/appl/test/gssapi_server.c b/appl/test/gssapi_server.c
index 1480f58b8..2a056762c 100644
--- a/appl/test/gssapi_server.c
+++ b/appl/test/gssapi_server.c
@@ -95,7 +95,7 @@ proto (int sock, const char *service)
     if (GSS_ERROR(maj_stat))
 	gss_err (1, min_stat, "gss_display_name");
 
-    printf ("User is `%.*s'\n", (int)name_token.length,
+    fprintf (stderr, "User is `%.*s'\n", (int)name_token.length,
 	    (char *)name_token.value);
 
     /* gss_verify_mic */
@@ -111,7 +111,7 @@ proto (int sock, const char *service)
     if (GSS_ERROR(maj_stat))
 	gss_err (1, min_stat, "gss_verify_mic");
 
-    printf ("gss_verify_mic: %.*s\n", (int)input_token->length,
+    fprintf (stderr, "gss_verify_mic: %.*s\n", (int)input_token->length,
 	    (char *)input_token->value);
 
     /* gss_unwrap */
@@ -127,7 +127,7 @@ proto (int sock, const char *service)
     if(GSS_ERROR(maj_stat))
 	gss_err (1, min_stat, "gss_unwrap");
 
-    printf ("gss_unwrap: %.*s\n", (int)output_token->length,
+    fprintf (stderr, "gss_unwrap: %.*s\n", (int)output_token->length,
 	    (char *)output_token->value);
 
     return 0;
diff --git a/appl/test/nt_gss_server.c b/appl/test/nt_gss_server.c
index 80a0f771a..1ecfc3595 100644
--- a/appl/test/nt_gss_server.c
+++ b/appl/test/nt_gss_server.c
@@ -134,7 +134,7 @@ proto (int sock, const char *service)
     if (GSS_ERROR(maj_stat))
 	gss_err (1, min_stat, "gss_display_name");
 
-    printf ("User is `%.*s'\n", (int)name_token.length,
+    fprintf (stderr, "User is `%.*s'\n", (int)name_token.length,
 	    (char *)name_token.value);
 
     /* write something back */
diff --git a/appl/test/tcp_server.c b/appl/test/tcp_server.c
index 0812f6f76..da13d5d39 100644
--- a/appl/test/tcp_server.c
+++ b/appl/test/tcp_server.c
@@ -89,7 +89,7 @@ proto (int sock, const char *service)
     if (status)
 	krb5_err (context, 1, status, "krb5_unparse_name");
 
-    printf ("User is `%s'\n", name);
+    fprintf (stderr, "User is `%s'\n", name);
     free (name);
 
     krb5_data_zero (&data);
@@ -119,7 +119,7 @@ proto (int sock, const char *service)
     if (status)
 	krb5_err (context, 1, status, "krb5_rd_safe");
 
-    printf ("safe packet: %.*s\n", (int)data.length,
+    fprintf (stderr, "safe packet: %.*s\n", (int)data.length,
 	    (char *)data.data);
 
     n = krb5_net_read (context, &sock, &net_len, 4);
@@ -146,7 +146,7 @@ proto (int sock, const char *service)
     if (status)
 	krb5_err (context, 1, status, "krb5_rd_priv");
 
-    printf ("priv packet: %.*s\n", (int)data.length,
+    fprintf (stderr, "priv packet: %.*s\n", (int)data.length,
 	    (char *)data.data);
 
     return 0;
diff --git a/appl/test/uu_server.c b/appl/test/uu_server.c
index 8aadbc83f..15b78bfce 100644
--- a/appl/test/uu_server.c
+++ b/appl/test/uu_server.c
@@ -121,7 +121,7 @@ proto (int sock, const char *service)
     if (status)
 	krb5_err(context, 1, status, "krb5_sendauth");
     
-    printf ("User is `%.*s'\n", (int)client_name.length,
+    fprintf (stderr, "User is `%.*s'\n", (int)client_name.length,
 	    (char *)client_name.data);
 
     krb5_data_zero (&data);
@@ -140,7 +140,7 @@ proto (int sock, const char *service)
 	errx (1, "krb5_rd_safe: %s",
 	      krb5_get_err_text(context, status));
 
-    printf ("safe packet: %.*s\n", (int)data.length,
+    fprintf (stderr, "safe packet: %.*s\n", (int)data.length,
 	    (char *)data.data);
 
     status = krb5_read_message(context, &sock, &packet);
@@ -156,7 +156,7 @@ proto (int sock, const char *service)
 	errx (1, "krb5_rd_priv: %s",
 	      krb5_get_err_text(context, status));
 
-    printf ("priv packet: %.*s\n", (int)data.length,
+    fprintf (stderr, "priv packet: %.*s\n", (int)data.length,
 	    (char *)data.data);
 
     return 0;