diff --git a/src/loader.ts b/src/loader.ts
index 02570d62b..3b7640af2 100644
--- a/src/loader.ts
+++ b/src/loader.ts
@@ -145,9 +145,12 @@ process.env.SF_BIN_PATH = process.env.SF_BIN_PATH || process.argv[1]
 // SF_WORKFLOW_PATH — absolute path to bundled SF-WORKFLOW.md, used by patched sf extension
 // when dispatching workflow prompts. Prefers dist/resources/ (stable, set at build time)
 // over src/resources/ (live working tree) — see resource-loader.ts for rationale.
+// Guard: the build sometimes copies dist/resources/extensions/ without the root-level
+// markdown files, leaving existsSync(distRes)=true but SF-WORKFLOW.md missing. Fall
+// back to src/resources/ when the file itself isn't present in dist.
 const distRes = join(sfRootDir, 'dist', 'resources')
 const srcRes = join(sfRootDir, 'src', 'resources')
-const resourcesDir = existsSync(distRes) ? distRes : srcRes
+const resourcesDir = existsSync(join(distRes, 'SF-WORKFLOW.md')) ? distRes : srcRes
 process.env.SF_WORKFLOW_PATH = join(resourcesDir, 'SF-WORKFLOW.md')
 
 // SF_BUNDLED_EXTENSION_PATHS — dynamically discovered bundled extension entry points.