diff --git a/src/Plugin/migrate/process/FormatDate.php b/src/Plugin/migrate/process/FormatDate.php
index 86c58d9..0ef9b80 100644
--- a/src/Plugin/migrate/process/FormatDate.php
+++ b/src/Plugin/migrate/process/FormatDate.php
@@ -52,7 +52,7 @@ public function transform($value, MigrateExecutableInterface $migrate_executable
     $toFormat = $this->configuration['to_format'];
     $timezone = isset($this->configuration['timezone']) ? $this->configuration['timezone'] : NULL;
     $settings = isset($this->configuration['settings']) ? $this->configuration['settings'] : [];
-    return DateTimePlus::createFromFormat($fromFormat, $value, $timezone, $settings)->format($toFormat);
+    return $value ? DateTimePlus::createFromFormat($fromFormat, $value, $timezone, $settings)->format($toFormat) : $value;
   }
 
 }
diff --git a/tests/src/Unit/process/FormatDateTest.php b/tests/src/Unit/process/FormatDateTest.php
index 9bdd6e5..69ffbc6 100644
--- a/tests/src/Unit/process/FormatDateTest.php
+++ b/tests/src/Unit/process/FormatDateTest.php
@@ -75,6 +75,7 @@ public function testTransform($fromFormat, $toFormat, $value, $expected) {
   public function datesDataProvider() {
     return [
       ['m/d/Y', 'Y-m-d', '01/05/1955', '1955-01-05'],
+      ['m/d/Y', 'Y-m-d', '', ''],
       ['m/d/Y H:i:s', 'Y-m-d\TH:i:s', '01/05/1955 10:43:22', '1955-01-05T10:43:22'],
     ];
   }