diff --git a/tests/fate/filter-video.mak b/tests/fate/filter-video.mak
index 9239b379ddfc51bd7577fb34e0451a5e9a145bcc..c49cf003885b5a1570ad26fd01b7e70dba8b19d3 100644
--- a/tests/fate/filter-video.mak
+++ b/tests/fate/filter-video.mak
@@ -229,6 +229,9 @@ fate-filter-pad: CMD = video_filter "pad=iw*1.5:ih*1.5:iw*0.3:ih*0.2"
 FATE_FILTER_VSYNTH-$(CONFIG_PP_FILTER) += fate-filter-pp
 fate-filter-pp: CMD = video_filter "pp=be/hb/vb/tn/l5/al"
 
+FATE_FILTER_VSYNTH-$(CONFIG_PP_FILTER) += fate-filter-pp1
+fate-filter-pp1: CMD = video_filter "pp=fq|4/be/hb/vb/tn/l5/al"
+
 FATE_FILTER_VSYNTH-$(CONFIG_PP_FILTER) += fate-filter-pp2
 fate-filter-pp2: CMD = video_filter "pp=be/fq|16/h1/v1/lb"
 
diff --git a/tests/ref/fate/filter-pp1 b/tests/ref/fate/filter-pp1
new file mode 100644
index 0000000000000000000000000000000000000000..b129ea39ee5965af70e968894e9cbd7833162a32
--- /dev/null
+++ b/tests/ref/fate/filter-pp1
@@ -0,0 +1 @@
+pp1                 cb9f884e27a5be11f72afc9b517efd10