diff --git a/tests/fate/image.mak b/tests/fate/image.mak
index 61d85cda41..1357cbd5a0 100644
--- a/tests/fate/image.mak
+++ b/tests/fate/image.mak
@@ -5,7 +5,7 @@ FATE_SAMPLES_AVCONV-$(call DEMDEC, IMAGE2, PICTOR) += fate-pictor
 fate-pictor: CMD = framecrc -i $(TARGET_SAMPLES)/pictor/MFISH.PIC -pix_fmt rgb24
 
 FATE_SAMPLES_AVCONV-$(call PARSERDEMDEC, PNG, IMAGE2PIPE, PNG) += fate-pngparser
-fate-pngparser: CMD = framecrc -f image2pipe -i $(TARGET_SAMPLES)/png1/libav_4x_concat.png
+fate-pngparser: CMD = framecrc -f image2pipe -i $(TARGET_SAMPLES)/png1/libav_4x_concat.png -pix_fmt rgba
 
 FATE_SAMPLES_AVCONV-$(call DEMDEC, IMAGE2, PTX) += fate-ptx
 fate-ptx: CMD = framecrc -i $(TARGET_SAMPLES)/ptx/_113kw_pic.ptx -pix_fmt rgb24