diff --git a/libswscale/utils.c b/libswscale/utils.c
index 15c0a19afa..111062e915 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -1405,6 +1405,8 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
         srcFormat != AV_PIX_FMT_GBRP14BE  && srcFormat != AV_PIX_FMT_GBRP14LE &&
         srcFormat != AV_PIX_FMT_GBRP16BE  && srcFormat != AV_PIX_FMT_GBRP16LE &&
         srcFormat != AV_PIX_FMT_GBRAP16BE  && srcFormat != AV_PIX_FMT_GBRAP16LE &&
+        srcFormat != AV_PIX_FMT_GBRPF32BE  && srcFormat != AV_PIX_FMT_GBRPF32LE &&
+        srcFormat != AV_PIX_FMT_GBRAPF32BE && srcFormat != AV_PIX_FMT_GBRAPF32LE &&
         ((dstW >> c->chrDstHSubSample) <= (srcW >> 1) ||
          (flags & SWS_FAST_BILINEAR)))
         c->chrSrcHSubSample = 1;