diff --git a/tridactyl/themes/onedark.css b/tridactyl/themes/onedark.css
index d33d4e6..3fef847 100644
--- a/tridactyl/themes/onedark.css
+++ b/tridactyl/themes/onedark.css
@@ -89,6 +89,10 @@
   width: 100%;
 }
 
+#completions .optionContainer .option {
+  overflow: auto;
+}
+
 #completions .optionContainer .option {
   line-height: 1.4;
 }