diff --git a/tests/xrdp/Makefile.am b/tests/xrdp/Makefile.am
index b80cae1d3..f8a630ed3 100644
--- a/tests/xrdp/Makefile.am
+++ b/tests/xrdp/Makefile.am
@@ -25,8 +25,9 @@ EXTRA_DIST = \
   gfx/gfx.toml\
   gfx/gfx_codec_order_undefined.toml \
   gfx/gfx_codec_h264_preferred.toml \
+  gfx/gfx_codec_h264_only.toml \
   gfx/gfx_codec_rfx_preferred.toml
-
+  gfx/gfx_codec_rfx_only.toml
 
 TESTS = test_xrdp
 check_PROGRAMS = test_xrdp
diff --git a/tests/xrdp/gfx/gfx_codec_h264_only.toml b/tests/xrdp/gfx/gfx_codec_h264_only.toml
new file mode 100644
index 000000000..c7d45605b
--- /dev/null
+++ b/tests/xrdp/gfx/gfx_codec_h264_only.toml
@@ -0,0 +1,18 @@
+[codec]
+order = [ "H264" ]
+
+[x264.default]
+preset = "ultrafast"
+tune = "zerolatency"
+profile = "main"     # profile is forced to baseline if preset == ultrafast
+vbv_max_bitrate = 0
+vbv_buffer_size = 0
+fps_num = 24
+fps_den = 1
+
+[x264.lan]
+[x264.wan]
+[x264.broadband_high]
+[x264.satellite]
+[x264.broadband_low]
+[x264.modem]
diff --git a/tests/xrdp/gfx/gfx_codec_h264_preferred.toml b/tests/xrdp/gfx/gfx_codec_h264_preferred.toml
index 828a65cb6..948f94201 100644
--- a/tests/xrdp/gfx/gfx_codec_h264_preferred.toml
+++ b/tests/xrdp/gfx/gfx_codec_h264_preferred.toml
@@ -1,3 +1,18 @@
 [codec]
-
 order = [ "H264", "RFX" ]
+
+[x264.default]
+preset = "ultrafast"
+tune = "zerolatency"
+profile = "main"     # profile is forced to baseline if preset == ultrafast
+vbv_max_bitrate = 0
+vbv_buffer_size = 0
+fps_num = 24
+fps_den = 1
+
+[x264.lan]
+[x264.wan]
+[x264.broadband_high]
+[x264.satellite]
+[x264.broadband_low]
+[x264.modem]
diff --git a/tests/xrdp/gfx/gfx_codec_order_undefined.toml b/tests/xrdp/gfx/gfx_codec_order_undefined.toml
index e31872683..7432cb97b 100644
--- a/tests/xrdp/gfx/gfx_codec_order_undefined.toml
+++ b/tests/xrdp/gfx/gfx_codec_order_undefined.toml
@@ -1,3 +1,18 @@
 [codec]
-
 order = [ ]
+
+[x264.default]
+preset = "ultrafast"
+tune = "zerolatency"
+profile = "main"     # profile is forced to baseline if preset == ultrafast
+vbv_max_bitrate = 0
+vbv_buffer_size = 0
+fps_num = 24
+fps_den = 1
+
+[x264.lan]
+[x264.wan]
+[x264.broadband_high]
+[x264.satellite]
+[x264.broadband_low]
+[x264.modem]
diff --git a/tests/xrdp/gfx/gfx_codec_rfx_only.toml b/tests/xrdp/gfx/gfx_codec_rfx_only.toml
new file mode 100644
index 000000000..9ab14ea2f
--- /dev/null
+++ b/tests/xrdp/gfx/gfx_codec_rfx_only.toml
@@ -0,0 +1,18 @@
+[codec]
+order = [ "RFX" ]
+
+[x264.default]
+preset = "ultrafast"
+tune = "zerolatency"
+profile = "main"     # profile is forced to baseline if preset == ultrafast
+vbv_max_bitrate = 0
+vbv_buffer_size = 0
+fps_num = 24
+fps_den = 1
+
+[x264.lan]
+[x264.wan]
+[x264.broadband_high]
+[x264.satellite]
+[x264.broadband_low]
+[x264.modem]
diff --git a/tests/xrdp/gfx/gfx_codec_rfx_preferred.toml b/tests/xrdp/gfx/gfx_codec_rfx_preferred.toml
index e9d52f02e..b0b6a56a8 100644
--- a/tests/xrdp/gfx/gfx_codec_rfx_preferred.toml
+++ b/tests/xrdp/gfx/gfx_codec_rfx_preferred.toml
@@ -1,3 +1,18 @@
 [codec]
-
 order = [ "RFX", "H264" ]
+
+[x264.default]
+preset = "ultrafast"
+tune = "zerolatency"
+profile = "main"     # profile is forced to baseline if preset == ultrafast
+vbv_max_bitrate = 0
+vbv_buffer_size = 0
+fps_num = 24
+fps_den = 1
+
+[x264.lan]
+[x264.wan]
+[x264.broadband_high]
+[x264.satellite]
+[x264.broadband_low]
+[x264.modem]
diff --git a/tests/xrdp/test_tconfig.c b/tests/xrdp/test_tconfig.c
index bdc5797f1..9bcffd3be 100644
--- a/tests/xrdp/test_tconfig.c
+++ b/tests/xrdp/test_tconfig.c
@@ -37,14 +37,30 @@ START_TEST(test_tconfig_gfx_codec_order)
 
     /* H264 earlier */
     tconfig_load_gfx("./gfx/gfx_codec_h264_preferred.toml", &gfxconfig);
+    ck_assert_int_gt(gfxconfig.codec.h264_idx, -1);
+    ck_assert_int_gt(gfxconfig.codec.rfx_idx, -1);
     ck_assert_int_lt(gfxconfig.codec.h264_idx, gfxconfig.codec.rfx_idx);
 
+    /* H264 only */
+    tconfig_load_gfx("./gfx/gfx_codec_h264_only.toml", &gfxconfig);
+    ck_assert_int_gt(gfxconfig.codec.h264_idx, -1);
+    ck_assert_int_eq(gfxconfig.codec.rfx_idx, -1);
+
     /* RFX earlier */
     tconfig_load_gfx("./gfx/gfx_codec_rfx_preferred.toml", &gfxconfig);
+    ck_assert_int_gt(gfxconfig.codec.h264_idx, -1);
+    ck_assert_int_gt(gfxconfig.codec.rfx_idx, -1);
     ck_assert_int_lt(gfxconfig.codec.rfx_idx, gfxconfig.codec.h264_idx);
 
+    /* RFX only */
+    tconfig_load_gfx("./gfx/gfx_codec_rfx_only.toml", &gfxconfig);
+    ck_assert_int_eq(gfxconfig.codec.h264_idx, -1);
+    ck_assert_int_gt(gfxconfig.codec.rfx_idx, -1);
+
     /* RFX is preferred if order undefined */
     tconfig_load_gfx("./gfx/gfx_codec_order_undefined.toml", &gfxconfig);
+    ck_assert_int_gt(gfxconfig.codec.h264_idx, -1);
+    ck_assert_int_gt(gfxconfig.codec.rfx_idx, -1);
     ck_assert_int_lt(gfxconfig.codec.h264_idx, gfxconfig.codec.rfx_idx);
 }
 END_TEST
diff --git a/xrdp/xrdp_tconfig.c b/xrdp/xrdp_tconfig.c
index d71959086..58d6d8deb 100644
--- a/xrdp/xrdp_tconfig.c
+++ b/xrdp/xrdp_tconfig.c
@@ -201,11 +201,19 @@ tconfig_load_gfx_x264_ct(toml_table_t *tfile, const int connection_type,
 
 static int tconfig_load_gfx_order(toml_table_t *tfile, struct xrdp_tconfig_gfx *config)
 {
+    /*
+     * This config loader is not responsible to check if xrdp is built with
+     * H264/RFX support. Just loads configurations as-is.
+     */
+
     TCLOG(LOG_LEVEL_DEBUG, "tconfig_load_gfx_order:");
 
     int h264_found = 0;
     int rfx_found = 0;
 
+    config->codec.h264_idx = -1;
+    config->codec.rfx_idx = -1;
+
     toml_table_t *codec = toml_table_in(tfile, "codec");
     if (!codec)
     {
@@ -253,6 +261,7 @@ static int tconfig_load_gfx_order(toml_table_t *tfile, struct xrdp_tconfig_gfx *
     return 0;
 
 return_default_codec_order:
+    /* prefer H264 if no priority found */
     config->codec.h264_idx = 0;
     config->codec.rfx_idx = 1;