diff --git a/jarvis/cogs/reddit.py b/jarvis/cogs/reddit.py
index 679010b..289701f 100644
--- a/jarvis/cogs/reddit.py
+++ b/jarvis/cogs/reddit.py
@@ -81,6 +81,13 @@ class RedditCog(Scale):
             await ctx.send("Cannot follow more than 12 Subreddits", ephemeral=True)
             return
 
+        if subreddit.over18 and not channel.nsfw:
+            await ctx.send(
+                "Subreddit is nsfw, but channel is not. Mark the channel NSFW first.",
+                ephemeral=True,
+            )
+            return
+
         sr = await Subreddit.find_one(q(display_name=subreddit.display_name))
         if not sr:
             sr = Subreddit(display_name=subreddit.display_name, over18=subreddit.over18)