diff --git a/src/bin/juliainstaller.rs b/src/bin/juliainstaller.rs
index 8fd31911..57011b5a 100644
--- a/src/bin/juliainstaller.rs
+++ b/src/bin/juliainstaller.rs
@@ -379,6 +379,15 @@ pub fn main() -> Result<()> {
         }
     }
 
+    if install_choices.install_location.exists() {
+        println!("You are trying to install Juliaup into the folder");
+        println!("`{}`,", install_choices.install_location.display());
+        println!("but that folder already exists. Please remove that folder");
+        println!("and then start the setup process again.");
+
+        return Ok(());
+    }
+
     let juliaupselfbin = install_choices.install_location.join("bin");
 
     trace!("Set juliaupselfbin to `{:?}`", juliaupselfbin);