diff --git a/src/test/c/test_hangman_test.c b/src/test/c/test_hangman_test.c
index aade409..99550b1 100644
--- a/src/test/c/test_hangman_test.c
+++ b/src/test/c/test_hangman_test.c
@@ -102,4 +102,18 @@ void test_erratenen_buchstaben_hinzufuegen_anhaengen_r_an_peter_zu_peter_falsch(
 	TEST_ASSERT_FALSE(expected == actual);
 }
 
+void test_gewonnen_petr_in_peter_richtig() {
+    // arrange
+	int expected = 1;
+    char actual;
+	char secret_word[100] = "peter";
+	char guessed_letters[100] = "petr";
+	
+    // act
+	actual = gewonnen(secret_word, guessed_letters);
+	
+    // assert
+	TEST_ASSERT_EQUAL_INT(expected, actual);
+}
+
 #endif // TEST