diff --git a/src/main/c/SchereSteinPapier.c b/src/main/c/SchereSteinPapier.c
index 01966d1..29a1f29 100644
--- a/src/main/c/SchereSteinPapier.c
+++ b/src/main/c/SchereSteinPapier.c
@@ -9,4 +9,6 @@ int game(char you, char computer)
 		return -1;
 	if (you == '2' && computer == '2')
 		return -1;
+	if (you == '3' && computer == '3')
+		return -1;
 }
\ No newline at end of file