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-rw-r--r--app/Census/CensusColumnAge.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/app/Census/CensusColumnAge.php b/app/Census/CensusColumnAge.php
index 1e01485a1c..68d5378757 100644
--- a/app/Census/CensusColumnAge.php
+++ b/app/Census/CensusColumnAge.php
@@ -32,7 +32,7 @@ class CensusColumnAge extends AbstractCensusColumn implements CensusColumnInterf
*
* @return string
*/
- public function generate(Individual $individual, Individual $head = null)
+ public function generate(Individual $individual, Individual $head)
{
return (string)Date::getAge($individual->getEstimatedBirthDate(), $this->date(), 0);
}