diff --git a/src/m_menu.c b/src/m_menu.c
index b5161259..a0c50966 100644
--- a/src/m_menu.c
+++ b/src/m_menu.c
@@ -4203,7 +4203,7 @@ static void M_DrawAddons(void)
 	// then adjust!
 	if (i < 0)
 	{
-		if ((m -= i) > (ssize_t)sizedirmenu)
+		if ((m += abs(i)) > (ssize_t)sizedirmenu)
 			m = sizedirmenu;
 		i = 0;
 	}