diff --git a/src/Parser/Date.php b/src/Parser/Date.php
index 9fb7f2e..b6edea9 100644
--- a/src/Parser/Date.php
+++ b/src/Parser/Date.php
@@ -34,6 +34,10 @@ public static function parse(\Gedcom\Parser $parser)
             return $dat->getYear().'-'.substr("0{$dat->getMonth()}", -2).'-'.substr("0{$dat->getDay()}", -2);
         }
 
+        if ($dat->getYear() && $dat->getMonth()) {
+            return $dat->getYear().'-'.substr("0{$dat->getMonth()}", -2);
+        }
+
         return $dat->getYear();
     }
 }