diff --git a/src/logic/evolution.js b/src/logic/evolution.js
index a53887c..e2ced48 100644
--- a/src/logic/evolution.js
+++ b/src/logic/evolution.js
@@ -104,7 +104,9 @@ class Evolution extends Arrangement {
 			}
 			const [x, y] = i2gc(this.productIndex++);
 			const product = Knowledge.semanticNetwork.findProductByName(this.population[this.populationIndex].products[this.productIndex]);
-			return product && {
+			if (!product)
+				continue;
+			return {
 				product,
 				amount,
 				x, y