diff --git a/changelog.d/downloader/3179.bugfix.rst b/changelog.d/downloader/3179.bugfix.rst
new file mode 100644
index 000000000..6739d0dc1
--- /dev/null
+++ b/changelog.d/downloader/3179.bugfix.rst
@@ -0,0 +1 @@
+``[p]cog uninstall`` now fully unloads cog - bot will not try to load it on next startup.
diff --git a/redbot/cogs/downloader/downloader.py b/redbot/cogs/downloader/downloader.py
index 26262bcce..8b4978d79 100644
--- a/redbot/cogs/downloader/downloader.py
+++ b/redbot/cogs/downloader/downloader.py
@@ -647,6 +647,7 @@ class Downloader(commands.Cog):
                 if poss_installed_path.exists():
                     with contextlib.suppress(commands.ExtensionNotLoaded):
                         ctx.bot.unload_extension(real_name)
+                        await ctx.bot.remove_loaded_package(real_name)
                     await self._delete_cog(poss_installed_path)
                     uninstalled_cogs.append(inline(real_name))
                 else: