diff --git a/extensions/inference-cortex-extension/src/index.ts b/extensions/inference-cortex-extension/src/index.ts
index dd78e2d62..73a95d360 100644
--- a/extensions/inference-cortex-extension/src/index.ts
+++ b/extensions/inference-cortex-extension/src/index.ts
@@ -280,7 +280,7 @@ export default class JanInferenceCortexExtension extends LocalOAIEngine {
             ...(model.id.toLowerCase().includes('jan-nano')
               ? { reasoning_budget: 0 }
               : { reasoning_budget: this.reasoning_budget }),
-            ...(this.context_shift === false
+            ...(this.context_shift !== true // explicit true required to enable context shift
               ? { 'no-context-shift': true }
               : {}),
             ...(modelSettings.ngl === -1 || modelSettings.ngl === undefined