diff --git a/src/initialization/gene_function/gene_random.py b/src/initialization/gene_function/gene_random.py
index 8d75556..897e9a0 100644
--- a/src/initialization/gene_function/gene_random.py
+++ b/src/initialization/gene_function/gene_random.py
@@ -2,4 +2,4 @@
 import random
 
 def random_gene(domain):
-    return domain[random.randint(0, len(domain)-1)]
+    return random.choice(domain)