diff --git a/src/challenges/challengeHome.c b/src/challenges/challengeHome.c
index e340508..127a020 100644
--- a/src/challenges/challengeHome.c
+++ b/src/challenges/challengeHome.c
@@ -104,16 +104,19 @@ void initChallengeHome(void)
 static void unlockChallenges(void)
 {
 	Mission *m;
-	int i;
+	int i, prevCompleted;
 	
 	i = completedChallenges = totalChallenges = 0;
 	
+	prevCompleted = 1;
+	
 	for (m = game.challengeMissionHead.next ; m != NULL ; m = m->next)
 	{
-		m->available = (i <= completedChallenges || dev.debug);
+		m->available = (prevCompleted > 0 || dev.debug);
 		
 		completedChallenges += m->completedChallenges;
 		totalChallenges += m->totalChallenges;
+		prevCompleted = m->completedChallenges;
 		
 		i++;
 	}