diff --git a/src/claude/claudeLocal.ts b/src/claude/claudeLocal.ts
index d4f7ac0..ba3bfdf 100644
--- a/src/claude/claudeLocal.ts
+++ b/src/claude/claudeLocal.ts
@@ -199,17 +199,17 @@ export async function claudeLocal(opts: {
                 args.push('--allowedTools', opts.allowedTools.join(','));
             }
 
-            // Add custom Claude arguments
-            if (opts.claudeArgs) {
-                args.push(...opts.claudeArgs)
-            }
-
             // Add hook settings for session tracking (when available)
             if (opts.hookSettingsPath) {
                 args.push('--settings', opts.hookSettingsPath);
                 logger.debug(`[ClaudeLocal] Using hook settings: ${opts.hookSettingsPath}`);
             }
 
+            // Add custom Claude arguments LAST (so prompt/slash commands are at the end)
+            if (opts.claudeArgs) {
+                args.push(...opts.claudeArgs)
+            }
+
             if (!claudeCliPath || !existsSync(claudeCliPath)) {
                 throw new Error('Claude local launcher not found. Please ensure HAPPY_PROJECT_ROOT is set correctly for development.');
             }