diff --git a/scripts/q7s-cp.py b/scripts/q7s-cp.py
index a189e3e6..d0543b45 100755
--- a/scripts/q7s-cp.py
+++ b/scripts/q7s-cp.py
@@ -27,7 +27,7 @@ def prompt_ssh_key_removal():
             print("Invalid port detected")
         else:
             break
-    cmd = f'ssh-keygen -f "${{HOME}}/.ssh/known_hosts" -R "[localhost]:${port}"'
+    cmd = f'ssh-keygen -f "$HOME/.ssh/known_hosts" -R "[localhost]:{port}"'
     print(f"Removing problematic SSH key with command {cmd}..")
     os.system(cmd)