diff --git a/lib/mixins/property-effects.js b/lib/mixins/property-effects.js
index de2d153cb4..f946014a10 100644
--- a/lib/mixins/property-effects.js
+++ b/lib/mixins/property-effects.js
@@ -421,8 +421,10 @@ function runComputedEffects(inst, changedProps, oldProps, hasPaths) {
       Object.assign(/** @type {!Object} */ (changedProps), inst.__dataPending);
       inputProps = inst.__dataPending;
       inst.__dataPending = null;
-      // Ensure all computed properties are de-duped against the same turn
-      dedupeId--;
+      if (orderedComputed) {
+        // Ensure all computed properties are de-duped against the same turn
+        dedupeId--;
+      }
     }
   }
 }