diff --git a/libswscale/utils.c b/libswscale/utils.c
index b372e9698c..2fddebfa4a 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -138,8 +138,8 @@ static const FormatEntry format_entries[AV_PIX_FMT_NB] = {
     [AV_PIX_FMT_YUVA444P16LE]= { 1, 1 },
     [AV_PIX_FMT_RGB48BE]     = { 1, 1 },
     [AV_PIX_FMT_RGB48LE]     = { 1, 1 },
-    [AV_PIX_FMT_RGBA64BE]    = { 1, 0 },
-    [AV_PIX_FMT_RGBA64LE]    = { 1, 0 },
+    [AV_PIX_FMT_RGBA64BE]    = { 1, 0, 1 },
+    [AV_PIX_FMT_RGBA64LE]    = { 1, 0, 1 },
     [AV_PIX_FMT_RGB565BE]    = { 1, 1 },
     [AV_PIX_FMT_RGB565LE]    = { 1, 1 },
     [AV_PIX_FMT_RGB555BE]    = { 1, 1 },