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-rw-r--r--app/Census/CensusColumnSexMF.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/app/Census/CensusColumnSexMF.php b/app/Census/CensusColumnSexMF.php
index 0b88a728b0..64726e45aa 100644
--- a/app/Census/CensusColumnSexMF.php
+++ b/app/Census/CensusColumnSexMF.php
@@ -37,7 +37,7 @@ class CensusColumnSexMF extends AbstractCensusColumn implements CensusColumnInte
*
* @return string
*/
- public function generate(Individual $individual, Individual $head = null)
+ public function generate(Individual $individual, Individual $head)
{
switch ($individual->getSex()) {
case 'M':