diff --git a/libavfilter/vf_scale_cuda.c b/libavfilter/vf_scale_cuda.c
index c97a802ddc..ecfd6a1c92 100644
--- a/libavfilter/vf_scale_cuda.c
+++ b/libavfilter/vf_scale_cuda.c
@@ -357,7 +357,7 @@ static int call_resize_kernel(AVFilterContext *ctx, CUfunction func, int channel
         .res.pitch2D.numChannels = channels,
         .res.pitch2D.width = src_width,
         .res.pitch2D.height = src_height,
-        .res.pitch2D.pitchInBytes = src_pitch,
+        .res.pitch2D.pitchInBytes = src_pitch * pixel_size,
         .res.pitch2D.devPtr = (CUdeviceptr)src_dptr,
     };