diff --git a/system/Language/Language.php b/system/Language/Language.php
index 9235610f1171..77125220b5ca 100644
--- a/system/Language/Language.php
+++ b/system/Language/Language.php
@@ -163,6 +163,24 @@ public function getLine(string $line, array $args = [])
 			}
 		}
 
+		if ($output === null)
+		{
+			unset($current);
+			foreach (explode('.', $parsedLine) as $row)
+			{
+				if (! isset($current))
+				{
+					$current = $this->language[$this->locale][$file] ?? null;
+				}
+
+				if (isset($current[$row][substr($parsedLine, strlen($row) + 1)]))
+				{
+					$output = $current[$row][substr($parsedLine, strlen($row) + 1)];
+					break;
+				}
+			}
+		}
+
 		if ($output === null && strpos($this->locale, '-'))
 		{
 			[$locale] = explode('-', $this->locale, 2);
diff --git a/tests/_support/Language/en/Foo.php b/tests/_support/Language/en/Foo.php
index 56e23d0f6bef..af78da682fa5 100644
--- a/tests/_support/Language/en/Foo.php
+++ b/tests/_support/Language/en/Foo.php
@@ -4,4 +4,7 @@
    'bar'             => 'Foo Bar Translated',
    'bar.min_length1' => 'The {field} field is very short.',
    'bar.min_length2' => 'Supplied value ({value}) for {field} must have at least {param} characters.',
+   'bar'             => [
+	   'min.length' => 'The {field} field is very short.',
+   ],
 ];
diff --git a/tests/system/Language/LanguageTest.php b/tests/system/Language/LanguageTest.php
index f32316b8b8be..86ca127a1861 100644
--- a/tests/system/Language/LanguageTest.php
+++ b/tests/system/Language/LanguageTest.php
@@ -321,4 +321,13 @@ public function testLanguageNestedArrayDefinition()
 		$this->assertEquals('e', $lang->getLine('Nested.a.b.c.d'));
 	}
 
+	public function testLanguageKeySeparatedByDot()
+	{
+		$lang = new SecondMockLanguage('en');
+		$lang->loadem('Foo', 'en');
+
+		$this->assertEquals('The fieldname field is very short.', $lang->getLine('Foo.bar.min_length1', ['field' => 'fieldname']));
+		$this->assertEquals('The fieldname field is very short.', $lang->getLine('Foo.bar.min.length', ['field' => 'fieldname']));
+	}
+
 }