diff --git a/tests/_files/source_without_newline.php b/tests/_files/source_without_newline.php
new file mode 100644
index 000000000..7b04cff2b
--- /dev/null
+++ b/tests/_files/source_without_newline.php
@@ -0,0 +1 @@
+<?php // This file contains no newline.
\ No newline at end of file
diff --git a/tests/tests/StaticAnalysis/CoveredFileAnalyserTest.php b/tests/tests/StaticAnalysis/CoveredFileAnalyserTest.php
index 1837f1fb8..b7cfb8fd8 100644
--- a/tests/tests/StaticAnalysis/CoveredFileAnalyserTest.php
+++ b/tests/tests/StaticAnalysis/CoveredFileAnalyserTest.php
@@ -112,4 +112,14 @@ public function testGetLinesToBeIgnoredWhenIgnoreIsDisabled(): void
             )
         );
     }
+
+    public function testGetLinesOfCodeForFileWithoutNewline(): void
+    {
+        $this->assertEquals(
+            1,
+            (new ParsingCoveredFileAnalyser(false, false))->linesOfCodeFor(
+                TEST_FILES_PATH . 'source_without_newline.php'
+            )->linesOfCode()
+        );
+    }
 }