diff --git a/libavutil/hwcontext_cuda.c b/libavutil/hwcontext_cuda.c
index 718a449b6e..546515ee66 100644
--- a/libavutil/hwcontext_cuda.c
+++ b/libavutil/hwcontext_cuda.c
@@ -30,7 +30,7 @@
 #include "pixfmt.h"
 #include "imgutils.h"
 
-#define CUDA_FRAME_ALIGNMENT 256
+#define CUDA_FRAME_ALIGNMENT 512
 
 typedef struct CUDAFramesContext {
     int shift_width, shift_height;