diff --git a/plugins/codex/commands/cancel.md b/plugins/codex/commands/cancel.md
index 4be495c..a1472b8 100644
--- a/plugins/codex/commands/cancel.md
+++ b/plugins/codex/commands/cancel.md
@@ -5,4 +5,4 @@ disable-model-invocation: true
 allowed-tools: Bash(node:*)
 ---
 
-!`node "${CLAUDE_PLUGIN_ROOT}/scripts/codex-companion.mjs" cancel $ARGUMENTS`
+!`node "${CLAUDE_PLUGIN_ROOT}/scripts/codex-companion.mjs" cancel "$ARGUMENTS"`
diff --git a/plugins/codex/commands/result.md b/plugins/codex/commands/result.md
index 6d32f7d..3abc2d9 100644
--- a/plugins/codex/commands/result.md
+++ b/plugins/codex/commands/result.md
@@ -5,7 +5,7 @@ disable-model-invocation: true
 allowed-tools: Bash(node:*)
 ---
 
-!`node "${CLAUDE_PLUGIN_ROOT}/scripts/codex-companion.mjs" result $ARGUMENTS`
+!`node "${CLAUDE_PLUGIN_ROOT}/scripts/codex-companion.mjs" result "$ARGUMENTS"`
 
 Present the full command output to the user. Do not summarize or condense it. Preserve all details including:
 - Job ID and status
diff --git a/plugins/codex/commands/status.md b/plugins/codex/commands/status.md
index e18c1cd..8f70663 100644
--- a/plugins/codex/commands/status.md
+++ b/plugins/codex/commands/status.md
@@ -5,7 +5,7 @@ disable-model-invocation: true
 allowed-tools: Bash(node:*)
 ---
 
-!`node "${CLAUDE_PLUGIN_ROOT}/scripts/codex-companion.mjs" status $ARGUMENTS`
+!`node "${CLAUDE_PLUGIN_ROOT}/scripts/codex-companion.mjs" status "$ARGUMENTS"`
 
 If the user did not pass a job ID:
 - Render the command output as a single Markdown table for the current and past runs in this session.