diff --git a/tools/process_registry.py b/tools/process_registry.py
index 58bc788a3..6e328fe1a 100644
--- a/tools/process_registry.py
+++ b/tools/process_registry.py
@@ -227,8 +227,9 @@ class ProcessRegistry:
         # Run the command in the sandbox with output capture
         log_path = f"/tmp/hermes_bg_{session.id}.log"
         pid_path = f"/tmp/hermes_bg_{session.id}.pid"
+        safe_command = command.replace("'", "'\''")
         bg_command = (
-            f"nohup bash -c '{command}' > {log_path} 2>&1 & "
+            f"nohup bash -c '{safe_command}' > {log_path} 2>&1 & "
             f"echo $! > {pid_path} && cat {pid_path}"
         )