diff --git a/.changeset/fresh-rooms-relate.md b/.changeset/fresh-rooms-relate.md
new file mode 100644
index 0000000000..a9163e068c
--- /dev/null
+++ b/.changeset/fresh-rooms-relate.md
@@ -0,0 +1,6 @@
+---
+"@pnpm/config": patch
+"pnpm": patch
+---
+
+`pnpm install --prod=false` should not crash, when executed in a project with a `pnpm-workspace.yaml` file [#9233](https://github.com/pnpm/pnpm/issues/9233). This fixes regression introduced via [#9211](https://github.com/pnpm/pnpm/pull/9211).
diff --git a/config/config/src/index.ts b/config/config/src/index.ts
index 8a45774d9a..86ce17754e 100644
--- a/config/config/src/index.ts
+++ b/config/config/src/index.ts
@@ -346,18 +346,6 @@ export async function getConfig (opts: {
 
   pnpmConfig.packageManager = packageManager
 
-  if (pnpmConfig.only === 'prod' || pnpmConfig.only === 'production' || !pnpmConfig.only && pnpmConfig.production) {
-    pnpmConfig.production = true
-    pnpmConfig.dev = false
-  } else if (pnpmConfig.only === 'dev' || pnpmConfig.only === 'development' || pnpmConfig.dev) {
-    pnpmConfig.production = false
-    pnpmConfig.dev = true
-    pnpmConfig.optional = false
-  } else {
-    pnpmConfig.production = true
-    pnpmConfig.dev = true
-  }
-
   if (typeof pnpmConfig.filter === 'string') {
     pnpmConfig.filter = (pnpmConfig.filter as string).split(' ')
   }
@@ -511,6 +499,18 @@ export async function getConfig (opts: {
 
   pnpmConfig.failedToLoadBuiltInConfig = failedToLoadBuiltInConfig
 
+  if (pnpmConfig.only === 'prod' || pnpmConfig.only === 'production' || !pnpmConfig.only && pnpmConfig.production) {
+    pnpmConfig.production = true
+    pnpmConfig.dev = false
+  } else if (pnpmConfig.only === 'dev' || pnpmConfig.only === 'development' || pnpmConfig.dev) {
+    pnpmConfig.production = false
+    pnpmConfig.dev = true
+    pnpmConfig.optional = false
+  } else {
+    pnpmConfig.production = true
+    pnpmConfig.dev = true
+  }
+
   return { config: pnpmConfig, warnings }
 }