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-rw-r--r--app/Statistics/Google/ChartMortality.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/app/Statistics/Google/ChartMortality.php b/app/Statistics/Google/ChartMortality.php
index b489e36c31..5763a3d272 100644
--- a/app/Statistics/Google/ChartMortality.php
+++ b/app/Statistics/Google/ChartMortality.php
@@ -53,7 +53,7 @@ class ChartMortality
public function chartMortality(
int $tot_l,
int $tot_d,
- string $color_living = null,
+ string|null $color_living = null,
string $color_dead = null
): string {
$color_living ??= '#ffffff';