From 4aef642cfdd0cb9a351709a5f57fd48a4d587c9f Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Mon, 8 Feb 2021 17:45:57 +0100
Subject: [PATCH] avcodec/fitsdec: properly initialize header->data_max

---
 libavcodec/fitsdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/fitsdec.c b/libavcodec/fitsdec.c
index 32a79cdd0d..802aa5b509 100644
--- a/libavcodec/fitsdec.c
+++ b/libavcodec/fitsdec.c
@@ -63,7 +63,7 @@ static int fill_data_min_max(const uint8_t *ptr8, FITSHeader *header, const uint
     int i, j;
 
     header->data_min = DBL_MAX;
-    header->data_max = DBL_MIN;
+    header->data_max = -DBL_MAX;
     switch (header->bitpix) {
 #define CASE_N(a, t, rd) \
     case a: \