diff --git a/install.sh b/install.sh
index be7430e..cb9c988 100755
--- a/install.sh
+++ b/install.sh
@@ -40,6 +40,9 @@ fi
 chmod +x "$TMPDIR/dropshell"
 
 cp "$TMPDIR/dropshell" /usr/local/bin/dropshell
+if [ -f /usr/local/bin/ds ]; then
+    rm -f /usr/local/bin/ds
+fi
 ln -s /usr/local/bin/dropshell /usr/local/bin/ds
 rm -rf "$TMPDIR"