diff --git a/allpac/install.sh b/allpac/install.sh
index 4f5cd8a..1bf98f8 100644
--- a/allpac/install.sh
+++ b/allpac/install.sh
@@ -1,5 +1,12 @@
 #!/bin/bash
 
+# Check if the ~/.allpac directory already exists
+if [ -d "$HOME/.allpac" ]; then
+    echo "The AllPac directory ~/.allpac already exists."
+    echo "Please remove or rename this directory before attempting to install AllPac again."
+    exit 1
+fi
+
 mkdir -p "$HOME/.allpac/cache" "$HOME/.allpac/logs" "$HOME/.allpac/bin"
 
 echo "We are about to write a new pkg.list"