diff --git a/tests/fate/pixfmt.mak b/tests/fate/pixfmt.mak
index 859aeebec0..5f8e343fdc 100644
--- a/tests/fate/pixfmt.mak
+++ b/tests/fate/pixfmt.mak
@@ -136,9 +136,9 @@ $(FATE_PIXFMT_EXT): REF = $(SRC_PATH)/tests/ref/pixfmt/$(@:fate-pixfmt-%=%)
 FATE_PIXFMT_16-YUV-$(call ALLYES, SCALE_FILTER YUVTESTSRC_FILTER LAVFI_INDEV) += $(PIXFMT_16_LIST)
 FATE_PIXFMT_16-RGB-$(call ALLYES, SCALE_FILTER RGBTESTSRC_FILTER LAVFI_INDEV) += $(PIXFMT_16_LIST)
 
-FATE_PIXFMT_16-YUV := $(FATE_PIXFMT_16-YUV-yes:%=fate-pixfmt-yuv444p16-%)
-FATE_PIXFMT_16-YUV := $(FATE_PIXFMT_16-RGB-yes:%=fate-pixfmt-p416-%)
-FATE_PIXFMT_16-RGB := $(FATE_PIXFMT_16-RGB-yes:%=fate-pixfmt-gbrp16-%)
+FATE_PIXFMT_16-YUV += $(FATE_PIXFMT_16-YUV-yes:%=fate-pixfmt-yuv444p16-%)
+FATE_PIXFMT_16-YUV += $(FATE_PIXFMT_16-YUV-yes:%=fate-pixfmt-p416-%)
+FATE_PIXFMT_16-RGB += $(FATE_PIXFMT_16-RGB-yes:%=fate-pixfmt-gbrp16-%)
 
 $(FATE_PIXFMT_16-YUV): CMD = pixfmt_conversion_ext "yuv" "le"
 $(FATE_PIXFMT_16-RGB): CMD = pixfmt_conversion_ext "rgb" "le"