diff --git a/tests/fate/hevc.mak b/tests/fate/hevc.mak
index 5446969a7d..fe3ef26c77 100644
--- a/tests/fate/hevc.mak
+++ b/tests/fate/hevc.mak
@@ -144,7 +144,7 @@ HEVC_SAMPLES_10BIT =            \
 
 define FATE_HEVC_TEST
 FATE_HEVC += fate-hevc-conformance-$(1)
-fate-hevc-conformance-$(1): CMD = framecrc -vsync 0 -i $(TARGET_SAMPLES)/hevc-conformance/$(1).bit
+fate-hevc-conformance-$(1): CMD = framecrc -vsync 0 -i $(TARGET_SAMPLES)/hevc-conformance/$(1).bit -pix_fmt yuv420p
 endef
 
 define FATE_HEVC_TEST_10BIT