diff --git a/client/src/components/vbox.component.jsx b/client/src/components/vbox.component.jsx
index 9e22ccb5..9263662d 100644
--- a/client/src/components/vbox.component.jsx
+++ b/client/src/components/vbox.component.jsx
@@ -355,7 +355,7 @@ class Vbox extends preact.Component {
                 text = bits
                     ? `Buy ${comboItem} - ${bits}b`
                     : `Combine - ${comboItem}`;
-                mouseEvent = sendVboxCombine;
+                if (vbox.bits >= bits) mouseEvent = sendVboxCombine;
             } else if (stashSelect.length === 0 && shopSelect.length === 1) {
                 const item = shopSelect[0];
                 text = `Buy ${vbox.free[item[0]][item[1]]} ${item[0] + 1}b`;